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May 1938


Author Affiliations

Kansas City, Mo.

Arch Ophthalmol. 1938;19(5):798. doi:10.1001/archopht.1938.00850170148013

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Your point is well taken, as there is no definite chemical evidence that calcium disturbance plays a part in altering the calcium content of the lens. That was the reason for qualifying the statement with the word "may." However, one must bear in mind that many problems of nutrition and biochemical processes are not yet fully understood or explained and that by altering the nutrition and intraocular chemistry cataract could develop without altering the calcium content of the lens. The incidence of calcium deficiency in juvenile and presenile patients with cataract but no family history of the condition is too frequent for its occurrence to be entirely a coincidence. Consequently, I concluded that calcium deficiency may produce cataract.

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