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August 30, 1971

Transient Severe Myopia

Author Affiliations

Canton, Ohio

JAMA. 1971;217(9):1245-1246. doi:10.1001/jama.1971.03190090067023

To the Editor.—  Sudden loss of vision is always alarming. For a physician with an obstetrical practice of young healthy women it is especially distressing to have a patient call to say that she cannot see.

Report of a Case.—  A 27-year-old woman in the seventh month of pregnancy was alarmed that during the evening of May 13, 1971, her vision began to blur. She still could see to drive at midnight. The next morning her vision became much worse, until she could only see objects a few inches distant.The history revealed that she took one chlorthalidone (Hygroton) tablet about 10 AM on May 7, 11, and 13. In addition she had been taking calcium, iron, and isoniazid tablets.At 4 PM on May 14 her vision was finger counting at 2 feet but could be corrected to 20/30-1 in each eye with a strong myopic lens, OD —6.00S