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  2. Glaucoma - Wikipedia

    en.wikipedia.org/wiki/Glaucoma

    Glaucoma is a group of eye diseases that can lead to damage of the optic nerve. The optic nerve transmits visual information from the eye to the brain. Glaucoma may cause vision loss if left untreated. It has been called the "silent thief of sight" because the loss of vision usually occurs slowly over a long period of time. [5]

  3. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    Right eye (oculus dexter) Ret. Retinoscopy RHyperT Right hypertropia RHypoT or RHT Right hypotropia RNFL Retinal nerve fibre layer RPE Retinal pigment epithelium RSOT Right esotropia Rx Prescription SE Spherical Equivalent: SLE Slit lamp examination SLM Slit lamp microscope EP Esophoria: ET Esotropia: Supp. Suppression V Vision (unaided) VA

  4. Optic cup (anatomical) - Wikipedia

    en.wikipedia.org/wiki/Optic_cup_(anatomical)

    The cup-to-disc ratio (often notated CDR) is a measurement used in ophthalmology and optometry to assess the progression of glaucoma. The optic disc is the anatomical location of the eye's "blind spot", the area where the optic nerve leave and blood vessels enter the retina. The optic disc can be flat or it can have a certain amount of normal ...

  5. Humphrey visual field analyser - Wikipedia

    en.wikipedia.org/wiki/Humphrey_Visual_Field_Analyser

    The eye not being tested is patched and the room lights are dimmed prior to commencement of the test. [12] The patient is positioned appropriately and comfortably against the forehead rest and chin rest. Minor adjustments to the head position are made to centre the pupil on the display screen to allow eye monitoring throughout the test.

  6. Optic disc - Wikipedia

    en.wikipedia.org/wiki/Optic_disc

    The ganglion cell axons form the optic nerve after they leave the eye. The optic disc represents the beginning of the optic nerve and is the point where the axons of retinal ganglion cells come together. The optic disc in a normal human eye carries 1–1.2 million afferent nerve fibers from the eye toward the brain.

  7. Gonioscopy - Wikipedia

    en.wikipedia.org/wiki/Gonioscopy

    Iridocorneal angle width: The width of the iridocorneal angle is one factor affecting the drainage of aqueous humour from the eye's anterior chamber.A wide angle allows sufficient drainage of humour through the trabecular meshwork (unless obstructed), whereas a narrow angle may impede the drainage system and leave the patient susceptible to acute angle-closure glaucoma.

  8. Ocular tonometry - Wikipedia

    en.wikipedia.org/wiki/Ocular_tonometry

    Tonometry is the procedure that eye care professionals perform to determine the intraocular pressure (IOP), the fluid pressure inside the eye.It is an important test in the evaluation of patients at risk from glaucoma. [1]

  9. Intraocular pressure - Wikipedia

    en.wikipedia.org/wiki/Intraocular_pressure

    Intraocular pressure (IOP) is the fluid pressure inside the eye. Tonometry is the method eye care professionals use to determine this. IOP is an important aspect in the evaluation of patients at risk of glaucoma. [1] Most tonometers are calibrated to measure pressure in millimeters of mercury .

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