AMBLYOPIA

A Silvester Sugirtha,
Page No. 46-48

AMBLYOPIA is commonly known as LAZY EYE. It is a vision development disorder, which affects
eyes and the brain during infancy and childhood.it signifies that the eye does not achieve a normal
visual acuity even with refractive correction in form of glasses or contact lens. During normal
visual development, the eye and brain learns to see and develop binocularity that is the ability to
perceive depth (stereo acuity). This occurs in the first 8 to 10 years of life. Each eye transmits clear
and identical images from retina to the brain, which fuses the two images in to the single image
with 3 dimensions. When the image is formed on the retina of two eyes is too dissimilar, the brain
cannot fuse the two images and suppresses the most blurred image.as a result, the worse eye does
not learn to see and becomes lazy.
Keywords : Stereo acuity - the smallest detectable depth difference that can be seen in binocular
vision. Nearsightedness - can see objects near to you clearly, but objects farther away are blurry.
Farsightedness - a vision condition in which nearby objects are blurry. Blurred vision - decreased
clarity or sharpness in vision. Glaucoma - an eye disease that causes gradual loss of sight. Squinting
- to have eyes that appear to look in different directions at the same time.