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Article
September 24, 1898

A FORM OF CORNEAL TURBIDITY EASILY OVERLOOKED.

JAMA. 1898;XXXI(13):701-704. doi:10.1001/jama.1898.92450130020002g

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Abstract

The form of corneal cloudiness to which I wish to call your attention escapes detection when the eye is examined by either direct or ophthalmoscopic inspection. Apparently the cornea has its normal lustre and transparency. The turbidity is only detected on using a highly magnifying lens with lateral illumination. It is of course known that the normal cornea is a turbid medium. This can be shown strikingly when we use an electric light for focal illumination, and throw a sharp image of the incandescent filament upon the corneal surface. It seems to be less well known that the turbidity revealed by the focal illumination can be resolved by a strong lens into a granular appearance. There are differences in this respect between apparently normal eyes. The more turbid the cornea, the better defined the grain. I may add that by this method of examination other anomalies of corneal transparency may

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