The cystic spaces commonly seen in the retina at the ora serrata have been discussed in the literature over a long period of years. This paper deals with cystic degeneration in the posterior portion of the retina. However much the cystic degenerations in the two locations may resemble one another anatomically, they occur independently. The presence of one has no influence on that of the other.
CLASSIFICATION
The microscopic specimens used in this study embrace practically every condition in the pathology of the eye. The cavities may be classified as follows :