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Showing posts with label Retina. Show all posts
Showing posts with label Retina. Show all posts

Sunday, March 11, 2012

Signs & Symptoms of myopia

Clinical picture
Symptoms
1. Defective vision. There is considerable failure in visual function as the error is usually high.
Further, due to progressive degenerative changes, an uncorrectable loss of vision may occur.

2. Muscae volitantes i.e., floating black opacities in front of the eyes are also complained of by many patients. These occur due to degenerated liquified vitreous.

3. Night blindness may be complained by very high myopes having marked degenerative changes.

Signs
1. Prominent eye balls. The eyes are often prominent, appearing elongated and 

Monday, February 27, 2012

Retina structure





Retina is developed from the two walls of the optic cup, namely: (a) nervous retina from the inner wall, and (b) pigment epithelium from the outer wall
.

 
(a) Nervous retina. The inner wall of the