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Article
March 1993

Duplication of the Lens, Hourglass Cornea, and Cornea Plana

Arch Ophthalmol. 1993;111(3):303. doi:10.1001/archopht.1993.01090030021013
Abstract

Duplication of the crystalline lens in humans is extremely rare.1 Evans and Hickey-Dwyer2 described the first case of an hourglass cornea and duplication of the lens in an infant. Our report is only the second to describe such findings. Un like the patient described by Stefani et al,3 our patient did not have diplophthalmos or gross craniocervical deformities.

Report of a Case.  —A 47-year-old healthy, phenotypically normal, intelligent woman presented for an eye examination. Her best corrected visual acuity in the right eye was 20/20, and in the left eye, counting fingers at 4 ft. Intraocular pressures were 16 and 12 mm Hg in the right and left eyes, respectively. External ocular examination revealed 30 diopters of left exotropia. Results of slit-lamp examination of the right eye were normal. The left cornea resembled a horizontally oriented hourglass with the longest diameter (horizontal) measuring 15 mm and

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