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Ocular tonometry

Index Ocular tonometry

Tonometry is the procedure eye care professionals perform to determine the intraocular pressure (IOP), the fluid pressure inside the eye. [1]

22 relations: Cornea, Eye, Eye care professional, Eye drop, Eyelid, Glaucoma, Gold standard (test), Imbert-Fick law, Intraocular pressure, Millimeter of mercury, Minimally invasive procedures, Piezoresistive effect, Pressure, Pressure sensor, Proxymetacaine, Schiøtz tonometer, Sclera, Slit lamp, Tarsus (eyelids), Tears, Topical anesthetic, Transducer.

Cornea

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

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Eye

Eyes are organs of the visual system.

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Eye care professional

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

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Eye drop

Eye drops are saline-containing drops used as an ocular route to administer.

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Eyelid

An eyelid is a thin fold of skin that covers and protects the human eye.

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Glaucoma

Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss.

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Gold standard (test)

In medicine and statistics, gold standard test is usually diagnostic test or benchmark that is the best available under reasonable conditions.

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Imbert-Fick law

Armand Imbert (1850-1922) and Adolf Fick (1829-1901) have both demonstrated, independently of each other, that in ocular tonometry the tension of the wall can be "eliminated when the application of the tonometer produces a flat surface instead of a concave one, and the reading of the tonometer (P) then equals (T) the IOP," whence all forces cancel each other.

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Intraocular pressure

Intraocular pressure (IOP) is the fluid pressure inside the eye.

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Millimeter of mercury

A millimeter of mercury is a manometric unit of pressure, formerly defined as the extra pressure generated by a column of mercury one millimetre high and now defined as precisely pascals.

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Minimally invasive procedures

Minimally invasive procedures (also known as minimally invasive surgeries) encompass surgical techniques that limit the size of incisions needed and so lessen wound healing time, associated pain and risk of infection.

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Piezoresistive effect

The piezoresistive effect is a change in the electrical resistivity of a semiconductor or metal when mechanical strain is applied.

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Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

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Pressure sensor

A pressure sensor is a device for pressure measurement of gases or liquids.

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Proxymetacaine

Proxymetacaine (INN) or proparacaine (USAN) is a topical anesthetic drug of the aminoester group.

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Schiøtz tonometer

Schiøtz tonometer is an indentation tonometer, used to measure the intraocular pressure (IOP) by measuring the depth produced on the surface of the cornea by a load of a known weight.

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Sclera

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.

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Slit lamp

The slit lamp is an instrument consisting of a high-intensity light source that can be focused to shine a thin sheet of light into the eye.

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Tarsus (eyelids)

The tarsi (tarsal plates) are two comparatively thick, elongated plates of dense connective tissue, about in length; one is found in each eyelid, and contributes to its form and support.

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Tears

Tearing, lacrimation, or lachrymation is the secretion of tears, which often serves to clean and lubricate the eyes in response to an irritation of the eyes.

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Topical anesthetic

A topical anesthetic is a local anesthetic that is used to numb the surface of a body part.

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Transducer

A transducer is a device that converts energy from one form to another.

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Redirects here:

Applanation tonometer, Applanation tonometry, Tension by applanation, Tension by applanation aqualex, Tonography, Tonometer, Tonometry, Tonometry, ocular.

References

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

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