Category: Health
Created by: lizanoemi
Number of Blossarys: 2
Sharpness of central vision. Normal visual acuity is defined as 20/20 vision in relation to the *Snellen acuity chart. *Snellen: is the eye chart used by your eye doctor to check vision acuity.
Also called "lazy eye" one of the eye use less than the other, is more common in childhood. It causes the less-used eye to atrophy, its visual acuity deteriorating. (Amblyopia is left untreated; the ...
Is an impaired vision where the left and right retinal images have different sizes (It may be caused by refractive surgery and may also occur naturally)
Is a refractive error that occurs when the corneal shape is more oval than round. This means that the oval has two curvatures: one steeper and one flatter. And the cornea therefore refracts (bends) ...
Is the inflammation of the eyelids this inflammation can have a variety of causes, such as an allergic reaction, bacterial infection, or excess oil produced by eyelid glands.