142 relations: Accommodation (eye), Achromatopsia, Allergy, Amblyopia, Angioid streaks, Aniridia, Anisometropia, Anopsia, Argyll Robertson pupil, Astigmatism, Atrophy, Bleeding, Blepharochalasis, Brain, Cataract, Central serous retinopathy, Chloroquine retinopathy, Chorioretinitis, Choroid, Choroideremia, Chronic progressive external ophthalmoplegia, Coloboma, Color blindness, Cone cell, Conjunctiva, Conjunctivitis, Cornea, Corneal abrasion, Corneal dystrophy, Corneal neovascularization, Corneal ulcer, Corrective lens, Dacryoadenitis, Degeneration (medical), Degeneration theory, Demodex, Dermatitis, Diabetic retinopathy, Disseminated disease, Distorted vision, Dry eye syndrome, Ectropion, Endophthalmitis, Epiphora (medicine), Epiretinal membrane, Epithelium, Esotropia, Exophthalmos, Exotropia, Extraocular muscles, ..., Exudate, Eye disease, Eye surgery, Far-sightedness, Floater, Focal infection theory, Fuchs' dystrophy, Fungal contamination of contact lenses, Fungal keratitis, Glaucoma, Heredity, Herpes simplex, Human eye, Hypertensive retinopathy, Impetigo, Infection, Inflammation, Injury, Intermediate uveitis, International Statistical Classification of Diseases and Related Health Problems, Iris (anatomy), Keratitis, Keratoconus, Lagophthalmos, Leber's congenital amaurosis, Leber's hereditary optic neuropathy, Leishmaniasis, Lens (anatomy), Leprosy, List of systemic diseases with ocular manifestations, Lists of diseases, Loa loa filariasis, Loose connective tissue, Macula of retina, Macular degeneration, Macular edema, Microphthalmia, Molluscum contagiosum, Monochromacy, Near-sightedness, Not Otherwise Specified, Nyctalopia, Ocular hypertension, Onchocerciasis, Ophthalmology, Ophthalmoparesis, Optic disc drusen, Optic nerve, Optic neuropathy, Ornithinaemia, Ornithine aminotransferase deficiency, Parasitic disease, Pediculosis pubis, Peripheral, Photic retinopathy, Photokeratitis, Posterior pole, Presbyopia, Ptosis (eyelid), Pupil, Red eye (medicine), Refractive error, Retina, Retinal, Retinal detachment, Retinal haemorrhage, Retinitis, Retinitis pigmentosa, Retinopathy, Retinopathy of prematurity, Retinoschisis, Scar, Sclera, Scleritis, Sclerosis (medicine), Scotoma, Shingles, Spinal cord, Strabismus, Stye, Sympathetic ophthalmia, Syphilis, Thygeson's superficial punctate keratopathy, Toxoplasma gondii, Tuberculosis, Uveitis, Visual impairment, Vogt–Koyanagi–Harada disease, World Health Organization, Xanthelasma, Xerophthalmia, Yaws. Expand index (92 more) » « Shrink index
Accommodation is the process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies.
Achromatopsia (ACHM), also known as total color blindness, is a medical syndrome that exhibits symptoms relating to at least five conditions.
Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment.
Amblyopia, also called lazy eye, is a disorder of sight due to the eye and brain not working well together.
Angioid streaks, also called Knapp streaks or Knapp striae are small breaks in Bruch's membrane, an elastic tissue containing membrane of the retina that may become calcified and crack.
Aniridia is the absence of the iris, usually involving both eyes.
Anisometropia is the condition in which the two eyes have unequal refractive power.
An anopsia or anopia is a defect in the visual field.
Argyll Robertson pupils (AR pupils or, colloquially, "prostitute's pupils") are bilateral small pupils that reduce in size on a near object (i.e., they accommodate), but do not constrict when exposed to bright light (i.e., they do not react to light).
Astigmatism is a type of refractive error in which the eye does not focus light evenly on the retina.
Atrophy is the partial or complete wasting away of a part of the body.
Bleeding, also known as hemorrhaging or haemorrhaging, is blood escaping from the circulatory system.
Blepharochalasis is an inflammation of the eyelid that is characterized by exacerbations and remissions of eyelid edema, which results in a stretching and subsequent atrophy of the eyelid tissue, leading to the formation of redundant folds over the lid margins.
The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.
A cataract is a clouding of the lens in the eye which leads to a decrease in vision.
Central serous retinopathy (CSR), also known as central serous chorioretinopathy (CSC or CSCR), is an eye disease which causes visual impairment, often temporary, usually in one eye.
Chloroquine retinopathy, also known as Bull's eye maculopathy, is a retinopathy (damage of the retina) caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus.
Chorioretinitis is an inflammation of the choroid (thin pigmented vascular coat of the eye) and retina of the eye.
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.
Choroideremia (CHM) is a rare, X-linked recessive form of hereditary retinal degeneration that affects roughly 1 in 50,000 males.
Chronic progressive external ophthalmoplegia (CPEO), also known as progressive external ophthalmoplegia (PEO), is a type of eye disorder characterized by slowly progressive inability to move the eyes and eyebrows.
A coloboma (from the Greek koloboma, meaning defect) is a hole in one of the structures of the eye, such as the iris, retina, choroid, or optic disc.
Color blindness, also known as color vision deficiency, is the decreased ability to see color or differences in color.
Cone cells, or cones, are one of three types of photoreceptor cells in the retina of mammalian eyes (e.g. the human eye).
The conjunctiva lines the inside of the eyelids and covers the sclera (the white of the eye).
Conjunctivitis, also known as pink eye, is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid.
The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber.
Corneal abrasion is a scratch to the surface of the cornea of the eye.
Corneal dystrophy is a group of rare hereditary disorders characterised by bilateral abnormal deposition of substances in the transparent front part of the eye called the cornea.
Corneal neovascularization (CNV) is the in-growth of new blood vessels from the pericorneal plexus into avascular corneal tissue as a result of oxygen deprivation.
Corneal ulcer, or ulcerative keratitis, is an inflammatory or more seriously, infective condition of the cornea involving disruption of its epithelial layer with involvement of the corneal stroma.
A corrective lens is a lens typically worn in front of the eye to improve vision.
Dacryoadenitis is inflammation of the lacrimal glands (the tear-producing glands).
Degeneration is deterioration in the medical sense.
Social degeneration was a widely influential concept at the interface of the social and biological sciences in the 19th century.
Demodex is a genus of tiny mites that live in or near hair follicles of mammals.
Dermatitis, also known as eczema, is a group of diseases that results in inflammation of the skin.
Diabetic retinopathy, also known as diabetic eye disease, is a medical condition in which damage occurs to the retina due to diabetes mellitus.
Disseminated disease refers to a diffuse disease-process, generally either infectious or neoplastic.
Distorted vision is a symptom with several different possible causes.
Dry eye syndrome (DES), also known as keratoconjunctivitis sicca (KCS), is the condition of having dry eyes.
Ectropion is a medical condition in which the lower eyelid turns outwards.
Endophthalmitis is an inflammation of the interior of the eye.
Epiphora is an overflow of tears onto the face.
Epiretinal membrane is a disease of the eye in response to changes in the vitreous humor or more rarely, diabetes.
Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue.
Esotropia is a form of strabismus in which one or both eyes turns inward.
Exophthalmos (also called exophthalmus, exophthalmia, proptosis, or exorbitism) is a bulging of the eye anteriorly out of the orbit.
Exotropia is a form of strabismus where the eyes are deviated outward.
The extraocular muscles are the six muscles that control movement of the eye and one muscle that controls eyelid elevation (levator palpebrae).
An exudate is a fluid emitted by an organism through pores or a wound, a process known as exuding.
This is a partial list of human eye diseases and disorders.
Eye surgery, also known as ocular surgery, is surgery performed on the eye or its adnexa, typically by an ophthalmologist.
Far-sightedness, also known as hyperopia, is a condition of the eye in which light is focused behind, instead of on, the retina.
Floaters are deposits of various size, shape, consistency, refractive index, and motility within the eye's vitreous humour, which is normally transparent.
Focal infection theory is the historical concept that many chronic diseases, including systemic and common ones, are caused by focal infections.
Fuchs' dystrophy, also referred to as Fuchs' corneal endothelial dystrophy (FCED) and Fuchs' endothelial dystrophy (FED), is a slowly progressing corneal dystrophy that usually affects both eyes and is slightly more common in women than in men.
Microbial corneal infection is the most serious and "most common vision threatening" complication of contact lens wear, which is believed to be strongly associated with contact lens cases.
A fungal keratitis is an 'inflammation of the eye's cornea' (called keratitis) that results from infection by a fungal organism.
Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss.
Heredity is the passing on of traits from parents to their offspring, either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
Herpes simplex is a viral disease caused by the herpes simplex virus.
The human eye is an organ which reacts to light and pressure.
Hypertensive retinopathy is damage to the retina and retinal circulation due to high blood pressure (i.e. hypertension).
Impetigo is a bacterial infection that involves the superficial skin.
Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to the infectious agents and the toxins they produce.
Inflammation (from inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecular mediators.
Injury, also known as physical trauma, is damage to the body caused by external force.
Intermediate uveitis is a form of uveitis localized to the vitreous and peripheral retina.
The International Classification of Diseases (ICD) is the international "standard diagnostic tool for epidemiology, health management and clinical purposes." Its full official name is International Statistical Classification of Diseases and Related Health Problems. The ICD is maintained by the World Health Organization (WHO), the directing and coordinating authority for health within the United Nations System.
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.
Keratitis is a condition in which the eye's cornea, the clear dome on the front surface of the eye, becomes inflamed.
Keratoconus (KC) is a disorder of the eye which results in progressive thinning of the cornea.
Lagophthalmos is the inability to close the eyelids completely.
Leber's congenital amaurosis (LCA) is a rare inherited eye disease that appears at birth or in the first few months of life.
Leber's hereditary optic neuropathy (LHON) or Leber hereditary optic atrophy is a mitochondrially inherited (transmitted from mother to offspring) degeneration of retinal ganglion cells (RGCs) and their axons that leads to an acute or subacute loss of central vision; this affects predominantly young adult males.
Leishmaniasis is a disease caused by parasites of the Leishmania type.
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.
Leprosy, also known as Hansen's disease (HD), is a long-term infection by the bacterium Mycobacterium leprae or Mycobacterium lepromatosis.
An ocular manifestation of a systemic disease is an eye condition that directly or indirectly results from a disease process in another part of the body.
A medical condition is a broad term that includes all diseases and disorders.
Loa loa filariasis is a skin and eye disease caused by the nematode worm Loa loa.
Loose connective tissue is a category of connective tissue which includes areolar tissue, reticular tissue, and adipose tissue.
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.
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.
Macular edema occurs when fluid and protein deposits collect on or under the macula of the eye (a yellow central area of the retina) and causes it to thicken and swell (edema).
Microphthalmia (Greek: μικρός micros.
Molluscum contagiosum (MC), sometimes called water warts, is a viral infection of the skin that results in small, raised, pink lesions with a dimple in the center.
Monochromacy (from Greek mono, meaning "one "and chromo, meaning "color") is the ability of organisms or machines to distinguish only one single frequency of the electromagnetic light spectrum.
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.
Not Otherwise Specified (or NOS) is a subcategory in systems of disease/disorder classification such as ICD-9, ICD-10, DSM-IV, and many others.
Nyctalopia, also called night-blindness, is a condition making it difficult or impossible to see in relatively low light.
Ocular hypertension is the presence of elevated fluid pressure inside the eye (intraocular pressure), usually with no optic nerve damage or visual field loss.
Onchocerciasis, also known as river blindness, is a disease caused by infection with the parasitic worm Onchocerca volvulus.
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.
Ophthalmoparesis or ophthalmoplegia refers to weakness (-paresis) or paralysis (-plegia) of one or more extraocular muscles which are responsible for eye movements.
Optic disc drusen (ODD) or optic nerve head drusen (ONHD) are globules of mucoproteins and mucopolysaccharides that progressively calcify in the optic disc.
The optic nerve, also known as cranial nerve II, is a paired nerve that transmits visual information from the retina to the brain.
Optic neuropathy is damage to the optic nerve from any cause.
Ornithinaemia is a blood disorder characterized by high levels of ornithine.
Ornithine aminotransferase deficiency (also known as gyrate atrophy of the choroid and retina) is an inborn error of ornithine metabolism, caused by decreased activity of the enzyme ornithine aminotransferase.
A parasitic disease, also known as parasitosis, is an infectious disease caused or transmitted by a parasite.
Pediculosis pubis (also known as "crabs" and "pubic lice") is a disease caused by the pubic louse, Pthirus pubis, a parasitic insect notorious for infesting human pubic hair.
A peripheral device is "an ancillary device used to put information into and get information out of the computer." Three categories of peripheral devices exist based on their relationship with the computer.
Photic retinopathy, also known as foveomacular retinitis or solar retinopathy, is damage to the eye's retina, particularly the macula, from prolonged exposure to solar radiation or other bright light, e.g., lasers or arc welders.
Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense sunlight) or artificial (e.g. the electric arc during welding) sources.
In ophthalmology, the posterior pole is the back of the eye, usually referring to the retina between the optic disc and the macula.
Presbyopia is a condition associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects.
Ptosis (/ˈtoʊsɪs/) is a drooping or falling of the upper eyelid.
The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina.
A red eye is an eye that appears red due to illness or injury.
Refractive error, also known as refraction error, is a problem with focusing light accurately onto the retina due to the shape of the eye.
The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.
Retinal is also known as retinaldehyde.
Retinal detachment is a disorder of the eye in which the retina separates from the layer underneath.
Retinal hemorrhage is a disorder of the eye in which bleeding occurs into the light sensitive tissue on the back wall of the eye.
Retinitis is inflammation of the retina in the eye, which can permanently damage the retina and lead to blindness.
Retinitis pigmentosa (RP) is a genetic disorder of the eyes that causes loss of vision.
Retinopathy is any damage to the retina of the eyes, which may cause vision impairment.
Retinopathy of prematurity (ROP), also called retrolental fibroplasia (RLF) and Terry syndrome, is a disease of the eye affecting prematurely born babies generally having received intensive neonatal care, in which oxygen therapy is used on them due to the premature development of their lungs.
Retinoschisis is an eye disease characterized by the abnormal splitting of the retina's neurosensory layers, usually in the outer plexiform layer.
A scar is an area of fibrous tissue that replaces normal skin after an injury.
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.
Scleritis is a serious inflammatory disease that affects the white outer coating of the eye, known as the sclera.
In medicine, sclerosis (also spelled sclerosus in the names of a few disorders; from Greek σκληρός "hard") is the stiffening of a structure, usually caused by a replacement of the normal organ-specific tissue with connective tissue.
A scotoma (Greek σκότος/skótos, darkness; plural: scotomas or scotomata) is an area of partial alteration in the field of vision consisting of a partially diminished or entirely degenerated visual acuity that is surrounded by a field of normal – or relatively well-preserved – vision.
Shingles, also known as herpes zoster, is a viral disease characterized by a painful skin rash with blisters in a localized area.
The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.
Strabismus, also known as crossed eyes, is a condition in which the eyes do not properly align with each other when looking at an object.
A stye, also known as a hordeolum, is a bacterial infection of an oil gland in the eyelid.
Sympathetic ophthalmia (SO) or Sympathetic uveitis is a bilateral diffuse granulomatous uveitis (a kind of inflammation) of both eyes following trauma to one eye.
Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum.
Thygeson's superficial punctate keratopathy (TSPK; also Thygeson Superficial Punctate Keratitis) is a disease of the eyes.
Toxoplasma gondii is an obligate intracellular, parasitic alveolate that causes the disease toxoplasmosis.
Tuberculosis (TB) is an infectious disease usually caused by the bacterium Mycobacterium tuberculosis (MTB).
Uveitis is the inflammation of the uvea, the pigmented layer that lies between the inner retina and the outer fibrous layer composed of the sclera and cornea.
Visual impairment, also known as vision impairment or vision loss, is a decreased ability to see to a degree that causes problems not fixable by usual means, such as glasses.
Vogt–Koyanagi–Harada disease (VKH), also known as Vogt–Koyanagi–Harada syndrome, uveomeningitis syndrome and uveomeningoencephalitic syndrome, is a multisystem disease of presumed autoimmune cause, that affects pigmented tissues, which have melanin.
The World Health Organization (WHO; French: Organisation mondiale de la santé) is a specialized agency of the United Nations that is concerned with international public health.
Xanthelasma is a sharply demarcated yellowish deposit of cholesterol underneath the skin, usually on or around the eyelids.
Xerophthalmia (from Ancient Greek xērós (ξηρός) meaning dry and ophthalmos (οφθαλμός) meaning eye) is a medical condition in which the eye fails to produce tears.
Yaws is a tropical infection of the skin, bones and joints caused by the spirochete bacterium Treponema pallidum pertenue.
Diseases of the eyes, Eye Disease, Eye condition, Eye defects, Eye diseases, Eye disorder, Eye disorders, Eye infection, Eye problem, Eye problems, H53.4, List of eye diseases, List of eye diseases and disorders, Ocular disease, Ophthalmologic disease, Retinal disorders, Viral eye infections.