Get it on Google Play
New! Download Unionpedia on your Android™ device!
Faster access than browser!

Human eye

+ Save concept

The human eye is an organ which reacts to light and pressure. [1]

124 relations: Absolute threshold, Aging-associated diseases, Anterior chamber of eyeball, Antioxidant, Aperture, Aqueous humour, Arcus senilis, Astigmatism, Blind spot (vision), Blinking, Cataract, Cataract surgery, Central retinal artery, Central retinal vein, Choroid, Ciliary body, Ciliary muscle, Ciliary processes, Circadian rhythm, Computer monitor, Cone cell, Conjunctiva, Contact lens, Contrast ratio, Cornea, Corneal transplantation, Corrective lens, Dermatochalasis, Dura mater, Ectropion, Encyclopædia Britannica Ultimate Reference Suite, Entrainment (chronobiology), Entrance pupil, Entropion, Eye, Eye care professional, Eye chart, Eye color, Eye disease, Eye examination, Eye strain, Eyeglass prescription, Far-sightedness, Feedback, Fibrous tunic of eyeball, Field of view, Floater, Fovea centralis, General practitioner, Hyaloid canal, ..., Inferior oblique muscle, Inferior rectus muscle, Intrinsically photosensitive retinal ganglion cells, Iris (anatomy), Iris dilator muscle, Iris recognition, Iris sphincter muscle, John Wiley & Sons, Knobloch syndrome, Lacrimal caruncle, Lateral rectus muscle, Lens (anatomy), Lens (optics), Light, Lutein, Macula of retina, Macular degeneration, Mammalian eye, Medial rectus muscle, Melatonin, Multiple chemical sensitivity, Muscle, Near-sightedness, Ocularist, Oculolinctus, Oculoplastics, Ophthalmology, Optic disc, Optic nerve, Optician, Optokinetic response, Optometry, Ora serrata, Organ (anatomy), Orthoptics, Paraphilia, Peter Wiedemann, Photon, Photoreceptor cell, Posterior chamber of eyeball, Posterior vitreous detachment, Presbyopia, Ptosis (eyelid), Pupil, Reflex, Refractive surgery, Retina, Retinal detachment, Rheum, Rod cell, Saccade, Schlemm's canal, Sclera, Sensory nervous system, Sick building syndrome, Sleep, Snellen chart, Spectral sensitivity, Superior oblique muscle, Superior rectus muscle, Tenon's capsule, Throat irritation, University of California, Los Angeles, Uvea, Vergence, Vestibulo–ocular reflex, Vision therapy, Visual acuity, Visual perception, Vitreous body, Volatile organic compound, Vorticose veins, Zeaxanthin, Zonule of Zinn. Expand index (74 more) »

Absolute threshold

In neuroscience and psychophysics, an absolute threshold was originally defined as the lowest level of a stimulus – light, sound, touch, etc.

New!!: Human eye and Absolute threshold · See more »

Aging-associated diseases

An aging-associated disease is a disease that is most often seen with increasing frequency with increasing senescence.

New!!: Human eye and Aging-associated diseases · See more »

Anterior chamber of eyeball

The anterior chamber (AC) is the fluid-filled space inside the eye between the iris and the cornea's innermost surface, the endothelium.

New!!: Human eye and Anterior chamber of eyeball · See more »


Antioxidants are molecules that inhibit the oxidation of other molecules.

New!!: Human eye and Antioxidant · See more »


In optics, an aperture is a hole or an opening through which light travels.

New!!: Human eye and Aperture · See more »

Aqueous humour

The aqueous humour is a transparent, watery fluid similar to plasma, but containing low protein concentrations.

New!!: Human eye and Aqueous humour · See more »

Arcus senilis

Arcus senilis is an old age syndrome where there is a white, grey, or blue opaque ring in the corneal margin (peripheral corneal opacity), or white ring in front of the periphery of the iris.

New!!: Human eye and Arcus senilis · See more »


Astigmatism is a type of refractive error in which the eye does not focus light evenly on the retina.

New!!: Human eye and Astigmatism · See more »

Blind spot (vision)

A blind spot, scotoma, is an obscurity of the visual field.

New!!: Human eye and Blind spot (vision) · See more »


Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid.

New!!: Human eye and Blinking · See more »


A cataract is a clouding of the lens in the eye which leads to a decrease in vision.

New!!: Human eye and Cataract · See more »

Cataract surgery

Cataract surgery is the removal of the natural lens of the eye (also called "crystalline lens") that has developed an opacification, which is referred to as a cataract.

New!!: Human eye and Cataract surgery · See more »

Central retinal artery

The central retinal artery (retinal artery) branches off the ophthalmic artery, running inferior to the optic nerve within its dural sheath to the eyeball.

New!!: Human eye and Central retinal artery · See more »

Central retinal vein

The central retinal vein (retinal vein) is a short vein that runs through the optic nerve, leaves the optic nerve 10 mm from the eyeball and drains blood from the capillaries of the retina into either superior ophthalmic vein or into the cavernous sinus directly.

New!!: Human eye and Central retinal vein · See more »


The choroid, also known as the choroidea or choroid coat, is the vascular layer of the eye, containing connective tissues, and lying between the retina and the sclera.

New!!: Human eye and Choroid · See more »

Ciliary body

The ciliary body is a part of the eye that includes the ciliary muscle, which controls the shape of the lens, and the ciliary epithelium, which produces the aqueous humor.

New!!: Human eye and Ciliary body · See more »

Ciliary muscle

The ciliary muscle is a ring of smooth muscleSchachar, Ronald A. (2012). "Anatomy and Physiology." (Chapter 4). in the eye's middle layer (vascular layer) that controls accommodation for viewing objects at varying distances and regulates the flow of aqueous humour into Schlemm's canal. It changes the shape of the lens within the eye, not the size of the pupil which is carried out by the sphincter pupillae muscle and dilator pupillae.

New!!: Human eye and Ciliary muscle · See more »

Ciliary processes

The ciliary processes are formed by the inward folding of the various layers of the choroid, i.e., the choroid proper and the lamina basalis, and are received between corresponding foldings of the suspensory ligament of the lens.

New!!: Human eye and Ciliary processes · See more »

Circadian rhythm

A circadian rhythm is any biological process that displays an endogenous, entrainable oscillation of about 24 hours.

New!!: Human eye and Circadian rhythm · See more »

Computer monitor

A computer monitor is an output device which displays information in pictorial form.

New!!: Human eye and Computer monitor · See more »

Cone cell

Cone cells, or cones, are one of three types of photoreceptor cells in the retina of mammalian eyes (e.g. the human eye).

New!!: Human eye and Cone cell · See more »


The conjunctiva lines the inside of the eyelids and covers the sclera (the white of the eye).

New!!: Human eye and Conjunctiva · See more »

Contact lens

A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye.

New!!: Human eye and Contact lens · See more »

Contrast ratio

The contrast ratio is a property of a display system, defined as the ratio of the luminance of the brightest color (white) to that of the darkest color (black) that the system is capable of producing.

New!!: Human eye and Contrast ratio · See more »


The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber.

New!!: Human eye and Cornea · See more »

Corneal transplantation

Corneal transplantation, also known as corneal grafting, is a surgical procedure where a damaged or diseased cornea is replaced by donated corneal tissue (the graft).

New!!: Human eye and Corneal transplantation · See more »

Corrective lens

A corrective lens is a lens typically worn in front of the eye to improve vision.

New!!: Human eye and Corrective lens · See more »


Dermatochalasis is a medical condition, defined as an excess of skin in the upper or lower eyelid, also known as "baggy eyes." It may be either an acquired or a congenital condition.

New!!: Human eye and Dermatochalasis · See more »

Dura mater

Dura mater, or dura, is a thick membrane made of dense irregular connective tissue that surrounds the brain and spinal cord.

New!!: Human eye and Dura mater · See more »


Ectropion is a medical condition in which the lower eyelid turns outwards.

New!!: Human eye and Ectropion · See more »

Encyclopædia Britannica Ultimate Reference Suite

Encyclopædia Britannica Ultimate Reference Suite is an encyclopædia based on the Encyclopædia Britannica and published by Encyclopædia Britannica, Inc..

New!!: Human eye and Encyclopædia Britannica Ultimate Reference Suite · See more »

Entrainment (chronobiology)

Entrainment, within the study of chronobiology, occurs when rhythmic physiological or behavioral events match their period to that of an environmental oscillation.

New!!: Human eye and Entrainment (chronobiology) · See more »

Entrance pupil

In an optical system, the entrance pupil is the optical image of the physical aperture stop, as 'seen' through the front of the lens system.

New!!: Human eye and Entrance pupil · See more »


Entropion is a medical condition in which the eyelid (usually the lower lid) folds inward.

New!!: Human eye and Entropion · See more »


Eyes are organs of the visual system.

New!!: Human eye and Eye · See more »

Eye care professional

An eye care professional (ECP) is an individual who provides a service related to the eyes or vision.

New!!: Human eye and Eye care professional · See more »

Eye chart

An eye chart is a chart used to measure visual acuity.

New!!: Human eye and Eye chart · See more »

Eye color

Eye color is a polygenic phenotypic character determined by two distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.

New!!: Human eye and Eye color · See more »

Eye disease

This is a partial list of human eye diseases and disorders.

New!!: Human eye and Eye disease · See more »

Eye examination

An eye examination is a series of tests performed by an ophthalmologist (medical doctor), optometrist, or orthoptist assessing vision and ability to focus on and discern objects, as well as other tests and examinations pertaining to the eyes.

New!!: Human eye and Eye examination · See more »

Eye strain

Eye strain, also known as asthenopia (from Greek asthen-opia, ἀσθεν-ωπία, "weak-eye-condition"), is an eye condition that manifests through nonspecific symptoms such as fatigue, pain in or around the eyes, blurred vision, headache, and occasional double vision.

New!!: Human eye and Eye strain · See more »

Eyeglass prescription

An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.

New!!: Human eye and Eyeglass prescription · See more »


Far-sightedness, also known as hyperopia, is a condition of the eye in which light is focused behind, instead of on, the retina.

New!!: Human eye and Far-sightedness · See more »


Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop.

New!!: Human eye and Feedback · See more »

Fibrous tunic of eyeball

The sclera and cornea form the fibrous tunic of the bulb of the eye; the sclera is opaque, and constitutes the posterior five-sixths of the tunic; the cornea is transparent, and forms the anterior sixth.

New!!: Human eye and Fibrous tunic of eyeball · See more »

Field of view

The field of view is the extent of the observable world that is seen at any given moment.

New!!: Human eye and Field of view · See more »


Floaters are deposits of various size, shape, consistency, refractive index, and motility within the eye's vitreous humour, which is normally transparent.

New!!: Human eye and Floater · See more »

Fovea centralis

The fovea centralis is a small, central pit composed of closely packed cones in the eye.

New!!: Human eye and Fovea centralis · See more »

General practitioner

In the medical profession, a general practitioner (GP) is a medical doctor who treats acute and chronic illnesses and provides preventive care and health education to patients.

New!!: Human eye and General practitioner · See more »

Hyaloid canal

Hyaloid canal (Cloquet's canal and Stilling's canal) is a small transparent canal running through the vitreous body from the optic nerve disc to the lens.

New!!: Human eye and Hyaloid canal · See more »

Inferior oblique muscle

The inferior oblique muscle or obliquus oculi inferior is a thin, narrow muscle placed near the anterior margin of the floor of the orbit.

New!!: Human eye and Inferior oblique muscle · See more »

Inferior rectus muscle

The inferior rectus muscle is a muscle in the orbit.

New!!: Human eye and Inferior rectus muscle · See more »

Intrinsically photosensitive retinal ganglion cells

Intrinsically photosensitive retinal ganglion cells (ipRGCs), also called photosensitive retinal ganglion cells (pRGC), or melanopsin-containing retinal ganglion cells (mRGCs), are a type of neuron in the retina of the mammalian eye.

New!!: Human eye and Intrinsically photosensitive retinal ganglion cells · See more »

Iris (anatomy)

In humans and most mammals and birds, the iris (plural: irides or irises) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.

New!!: Human eye and Iris (anatomy) · See more »

Iris dilator muscle

The iris dilator muscle (pupil dilator muscle, pupillary dilator, radial muscle of iris, radiating fibers), is a smooth muscle of the eye, running radially in the iris and therefore fit as a dilator.

New!!: Human eye and Iris dilator muscle · See more »

Iris recognition

Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of one or both of the irises of an individual's eyes, whose complex patterns are unique, stable, and can be seen from some distance.

New!!: Human eye and Iris recognition · See more »

Iris sphincter muscle

The iris sphincter muscle (pupillary sphincter, pupillary constrictor, circular muscle of iris, circular fibers) is a muscle in the part of the eye called the iris.

New!!: Human eye and Iris sphincter muscle · See more »

John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.

New!!: Human eye and John Wiley & Sons · See more »

Knobloch syndrome

Knobloch syndrome is a rare genetic disorder presenting severe eyesight problems and often a defect in the skull.

New!!: Human eye and Knobloch syndrome · See more »

Lacrimal caruncle

The lacrimal caruncle, or caruncula lacrimalis, is the small, pink, globular nodule at the inner corner (the medial canthus) of the eye.

New!!: Human eye and Lacrimal caruncle · See more »

Lateral rectus muscle

The lateral rectus muscle is a muscle on the lateral side of the eyeball in the orbit.

New!!: Human eye and Lateral rectus muscle · See more »

Lens (anatomy)

The lens is a transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.

New!!: Human eye and Lens (anatomy) · See more »

Lens (optics)

A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.

New!!: Human eye and Lens (optics) · See more »


Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

New!!: Human eye and Light · See more »


Lutein (Random House Webster's Unabridged Dictionary. from Latin luteus meaning "yellow") is a xanthophyll and one of 600 known naturally occurring carotenoids.

New!!: Human eye and Lutein · See more »

Macula of retina

The macula or macula lutea is an oval-shaped pigmented area near the center of the retina of the human eye and some other animalian eyes.

New!!: Human eye and Macula of retina · See more »

Macular degeneration

Macular degeneration, also known as age-related macular degeneration (AMD or ARMD), is a medical condition which may result in blurred or no vision in the center of the visual field.

New!!: Human eye and Macular degeneration · See more »

Mammalian eye

Mammals normally have a pair of eyes.

New!!: Human eye and Mammalian eye · See more »

Medial rectus muscle

The medial rectus muscle is a muscle in the orbit.

New!!: Human eye and Medial rectus muscle · See more »


Melatonin, also known as N-acetyl-5-methoxy tryptamine, is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness.

New!!: Human eye and Melatonin · See more »

Multiple chemical sensitivity

Multiple chemical sensitivity (MCS), also known as idiopathic environmental intolerances (IEI), is a disputed chronic condition characterized by symptoms that the affected person attributes to low-level exposures to commonly used chemicals.

New!!: Human eye and Multiple chemical sensitivity · See more »


Muscle is a soft tissue found in most animals.

New!!: Human eye and Muscle · See more »


Near-sightedness, also known as short-sightedness and myopia, is a condition of the eye where light focuses in front of, instead of on, the retina.

New!!: Human eye and Near-sightedness · See more »


An ocularist is someone who specializes in the fabrication and fitting of ocular prostheses for people who have lost an eye or eyes due to trauma or illness.

New!!: Human eye and Ocularist · See more »


Oculolinctus, also known as "worming" or eyeball-licking fetishism, refers to the paraphilic practice of licking eyeballs for erotic gratification.

New!!: Human eye and Oculolinctus · See more »


Oculoplastics, or oculoplastic surgery, includes a wide variety of surgical procedures that deal with the orbit (eye socket), eyelids, tear ducts, and the face.

New!!: Human eye and Oculoplastics · See more »


Ophthalmology is a branch of medicine and surgery (both methods are used) that deals with the anatomy, physiology and diseases of the eyeball and orbit.

New!!: Human eye and Ophthalmology · See more »

Optic disc

The optic disc or optic nerve head is the point of exit for ganglion cell axons leaving the eye.

New!!: Human eye and Optic disc · See more »

Optic nerve

The optic nerve, also known as cranial nerve II, is a paired nerve that transmits visual information from the retina to the brain.

New!!: Human eye and Optic nerve · See more »


An optician, or dispensing optician, is a technical practitioner who designs, fits and dispenses corrective lenses for the correction of a person's vision.

New!!: Human eye and Optician · See more »

Optokinetic response

The optokinetic response is a combination of a slow-phase and fast-phase eye movements.

New!!: Human eye and Optokinetic response · See more »


Optometry is a health care profession which involves examining the eyes and applicable visual systems for defects or abnormalities as well as the medical diagnosis and management of eye disease.

New!!: Human eye and Optometry · See more »

Ora serrata

The ora serrata is the serrated junction between the retina and the ciliary body.

New!!: Human eye and Ora serrata · See more »

Organ (anatomy)

Organs are collections of tissues with similar functions.

New!!: Human eye and Organ (anatomy) · See more »


Orthoptics is a profession allied to eye care profession whose primary emphasis is the diagnosis and non-surgical management of strabismus (wandering eye), amblyopia (lazy eye) and eye movement disorders.

New!!: Human eye and Orthoptics · See more »


Paraphilia (previously known as sexual perversion and sexual deviation) is the experience of intense sexual arousal to atypical objects, situations, fantasies, behaviors, or individuals.

New!!: Human eye and Paraphilia · See more »

Peter Wiedemann

Peter Wiedemann (born 23 October 1953 in Erlangen, West Germany) is a German ophthalmologist, specialist in medical and surgical retina and head at the Department of Ophthalmology at the Leipzig University, Germany, since 1993.

New!!: Human eye and Peter Wiedemann · See more »


The photon is a type of elementary particle, the quantum of the electromagnetic field including electromagnetic radiation such as light, and the force carrier for the electromagnetic force (even when static via virtual particles).

New!!: Human eye and Photon · See more »

Photoreceptor cell

A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction.

New!!: Human eye and Photoreceptor cell · See more »

Posterior chamber of eyeball

The posterior chamber is a narrow space behind the peripheral part of the iris, and in front of the suspensory ligament of the lens and the ciliary processes.

New!!: Human eye and Posterior chamber of eyeball · See more »

Posterior vitreous detachment

A posterior vitreous detachment (PVD) is a condition of the eye in which the vitreous membrane separates from the retina.

New!!: Human eye and Posterior vitreous detachment · See more »


Presbyopia is a condition associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects.

New!!: Human eye and Presbyopia · See more »

Ptosis (eyelid)

Ptosis (/ˈtoʊsɪs/) is a drooping or falling of the upper eyelid.

New!!: Human eye and Ptosis (eyelid) · See more »


The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina.

New!!: Human eye and Pupil · See more »


A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus.

New!!: Human eye and Reflex · See more »

Refractive surgery

Refractive eye surgery is any eye surgery used to improve the refractive state of the eye and decrease or eliminate dependency on glasses or contact lenses.

New!!: Human eye and Refractive surgery · See more »


The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.

New!!: Human eye and Retina · See more »

Retinal detachment

Retinal detachment is a disorder of the eye in which the retina separates from the layer underneath.

New!!: Human eye and Retinal detachment · See more »


Rheum (from Greek: ῥεῦμα rheuma "a flowing, rheum"), also known as gound, is thin mucus naturally discharged from the eyes, nose, or mouth during sleep (cf. mucopurulent discharge).

New!!: Human eye and Rheum · See more »

Rod cell

Rod cells are photoreceptor cells in the retina of the eye that can function in less intense light than the other type of visual photoreceptor, cone cells.

New!!: Human eye and Rod cell · See more »


A saccade (French for jerk) is a quick, simultaneous movement of both eyes between two or more phases of fixation in the same direction.

New!!: Human eye and Saccade · See more »

Schlemm's canal

Schlemm's canal is a circular lymphatic-like vessel in the eye that collects aqueous humor from the anterior chamber and delivers it into the episcleral blood vessels via aqueous veins.

New!!: Human eye and Schlemm's canal · See more »


The sclera, also known as the white of the eye, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some elastic fiber.

New!!: Human eye and Sclera · See more »

Sensory nervous system

The sensory nervous system is a part of the nervous system responsible for processing sensory information.

New!!: Human eye and Sensory nervous system · See more »

Sick building syndrome

Sick building syndrome (SBS) is a medical condition where people in a building suffer from symptoms of illness or feel unwell for no apparent reason.

New!!: Human eye and Sick building syndrome · See more »


Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings.

New!!: Human eye and Sleep · See more »

Snellen chart

A Snellen chart is an eye chart that can be used to measure visual acuity.

New!!: Human eye and Snellen chart · See more »

Spectral sensitivity

Spectral sensitivity is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal.

New!!: Human eye and Spectral sensitivity · See more »

Superior oblique muscle

The superior oblique muscle, or obliquus oculi superior, is a fusiform muscle originating in the upper, medial side of the orbit (i.e. from beside the nose) which abducts, depresses and internally rotates the eye.

New!!: Human eye and Superior oblique muscle · See more »

Superior rectus muscle

The superior rectus muscle is a muscle in the orbit.

New!!: Human eye and Superior rectus muscle · See more »

Tenon's capsule

The fascia bulbi (also known as the capsule of Tenon and the bulbar sheath) is a thin membrane which envelops the eyeball from the optic nerve to the limbus, separating it from the orbital fat and forming a socket in which it moves.

New!!: Human eye and Tenon's capsule · See more »

Throat irritation

Throat irritation can refer to a dry cough, a scratchy feeling at the back of the throat, a sensation of a lumpy feeling, something stuck at the back of the throat, or possibly a feeling of dust in the throat.

New!!: Human eye and Throat irritation · See more »

University of California, Los Angeles

The University of California, Los Angeles (UCLA) is a public research university in the Westwood district of Los Angeles, United States.

New!!: Human eye and University of California, Los Angeles · See more »


The uvea (/ˈjuːvɪə/) (Lat. uva, grape), also called the uveal layer, uveal coat, uveal tract, vascular tunic or vascular layer is the pigmented middle of the three concentric layers that make up an eye. The name is possibly a reference to its reddish-blue or almost black colour, wrinkled appearance and grape-like size and shape when stripped intact from a cadaveric eye. Its use as a technical term in anatomy and ophthalmology is relatively modern.

New!!: Human eye and Uvea · See more »


A vergence is the simultaneous movement of both eyes in opposite directions to obtain or maintain single binocular vision.

New!!: Human eye and Vergence · See more »

Vestibulo–ocular reflex

The vestibulo-ocular reflex (VOR) is a reflex, where activation of the vestibular system causes eye movement.

New!!: Human eye and Vestibulo–ocular reflex · See more »

Vision therapy

Vision therapy (also known as vision training, or VT) is used to improve vision skills such as eye movement control, eye coordination, contrast sensitivity, and perception.

New!!: Human eye and Vision therapy · See more »

Visual acuity

Visual acuity (VA) commonly refers to the clarity of vision.

New!!: Human eye and Visual acuity · See more »

Visual perception

Visual perception is the ability to interpret the surrounding environment using light in the visible spectrum reflected by the objects in the environment.

New!!: Human eye and Visual perception · See more »

Vitreous body

The vitreous body is the clear gel that fills the space between the lens and the retina of the eyeball of humans and other vertebrates.

New!!: Human eye and Vitreous body · See more »

Volatile organic compound

Volatile organic compounds (VOCs) are organic chemicals that have a high vapor pressure at ordinary room temperature.

New!!: Human eye and Volatile organic compound · See more »

Vorticose veins

The vorticose veins, referred to clinically as the vortex veins, drain the ocular choroid.

New!!: Human eye and Vorticose veins · See more »


Zeaxanthin is one of the most common carotenoid alcohols found in nature.

New!!: Human eye and Zeaxanthin · See more »

Zonule of Zinn

The zonule of Zinn (Zinn's membrane, ciliary zonule) (after Johann Gottfried Zinn) is a ring of fibrous strands forming a zonule (little band) that connects the ciliary body with the crystalline lens of the eye.

New!!: Human eye and Zonule of Zinn · See more »

Redirects here:

Eye proteins, Human Eye, Human eyeball, Human eyeballs, Human eyes, Human sight, 👀, 👁.


[1] https://en.wikipedia.org/wiki/Human_eye

Hey! We are on Facebook now! »