OCCURRENCE OF CYSTOID SPACES IN THE LENS

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Abstract
IN PATIENTS over 40 years of age small, cystoid spaces may occur just beneath the anterior and posterior surfaces of the adult nucleus. These changes appear to some degree in approximately 10% of otherwise normal eyes. With the ophthalmoscope the spaces beneath the anterior surface of the adult nucleus are seen as small, oval to round, grayish opacities arranged in a more or less symmetric fashion with the long axis concentric to the visual axis (Fig. 1). These small lesions have a dull, grayish color, and their borders are somewhat lighter. With the ophthalmoscope it has not been possible to identify the opacities in the posterior portion of the lens. The number of opacities seen may vary markedly. In some cases there may be only one or two eccentrically placed cysts, whereas other cases may show innumerable small opacities arranged in the usual concentric formation. When the optical beam of

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