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LT. CHARLES O. PARKER, Jr., MC

AMA Arch Ophthalmol. 1956;55(1):23-24.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Vogt,¹ in 1922, described an unusual type of congenital cataract with crystal formation under the name of "spear cataract." His patient was a 9-year-old child with bilateral lens changes. These changes consisted of many shiny crystalline needles projecting in various directions throughout the axial area of the lens, being grouped around denser central opacities and having no apparent relation to the anatomic structure of the lens. Some areas resembled a spiny plant; others resembled a caterpillar. Some of the crystals were iridescent; some were over a millimeter in length and were grouped in bundles resembling tyrosine crystals. One lens was extracted and subjected to chemical analysis, which showed a predominance of cystine.

Three years after this case was published, Romer * investigated the remainder of this family and discovered a marked tendency toward cataract formation. Out of 42 persons, in four generations, he found 10 with what appeared to be . . . [Full Text PDF of this Article]

Author Affiliations
U.S.N.

From the Department of Ophthalmology, U. S. Naval Hospital.

Footnotes
Received for publication Oct. 19, 1955.

The opinions or assertions contained herein are the private ones of the writer's and are not to be construed as official or reflecting the view of the Navy Department or the Naval Service at large.

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