Instances of coloboma of the crystalline lens are so rare—only about seventy having been recorded—and bring up so many interesting questions for discussion, that I feel justified in directing your attention to a case in point.
S. B., male, white, aged 14, was brought to me on Oct. 7, 1899, on account of defective vision. The parents state that he was a delicate child and never was able to see distinctly. Seven years ago glasses were purchased from an optician, and two years since an ophthalmologist prescribed for him.
The boy is an ungainly looking youth; he is 5 feet 7½ inches in height, weighs 100 pounds, wears a 7% hat, and has flat feet and a chicken breast. Four years ago he was operated on for adenoids. With the exception of an attack of scarlet fever he has had no serious sickness. When 3 months old he was salivated.
BALL JM. A CASE OF COLOBOMA OF EACH LENS WITHOUT COLOBOMA OF THE IRIS OR CHOROID. JAMA. 1900;XXXV(15):932–933. doi:10.1001/jama.1900.24620410016001d
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