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Description ( notes ) AC. Anterior chamber. fluid-filled space between the iris and the endothelium. AC 4/4. Grade 4 anterior chamber angle. open angle between cornea and iris. AC 3/4. Grade 3 anterior chamber angle.
Ophthalmology ( / ˌɒfθælˈmɒlədʒi /, OFF-thal-MOL-ə-jee) [ 1] is a clinical and surgical specialty within medicine that deals with the diagnosis and treatment of eye disorders. [ 2] A former term is oculism . An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. [ 3]
Chronic fatigue immune dysfunction syndrome. CFS. Chronic fatigue syndrome. CGBD. Corticobasal ganglionic degeneration. CH. Cluster headache. CHARGE syndrome. Coloboma of the eye, heart defects, atresia of the nasal choanae, retarded growth & or development, genital abnormalities, ear abnormalities.
The following are not classified as diseases of the eye and adnexa (H00-H59) by the World Health Organization: [ 4] (B36.1) Keratomycosis — fungal infection of the cornea. (E50.6-E50.7) Xerophthalmia — dry eyes, caused by vitamin A deficiency. (Q13.1) Aniridia — a rare congenital eye condition leading to underdevelopment or even absence ...
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance . Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...
77664. Anatomical terminology. [ edit on Wikidata] The optic cup is the white, cup-like area in the center of the optic disc. [ 1] The ratio of the size of the optic cup to the optic disc (cup-to-disc ratio, or C/D) is one measure used in the diagnosis of glaucoma. Different C/Ds can be measured horizontally or vertically in the same patient.
1 in 4,000 people [ 1] Retinitis pigmentosa ( RP) is a genetic disorder of the eyes that causes loss of vision. [ 1] Symptoms include trouble seeing at night and decreasing peripheral vision (side and upper or lower visual field). [ 1] As peripheral vision worsens, people may experience "tunnel vision". [ 1]
An example of the Landolt C eye chart (also known as the Japanese eye chart.). Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision, while the ETDRS chart is designed for use at 4 meters. [16]