Reports of curvature abnormalities of the crystalline lens are infrequent and those of internal lenticonus are rarer. The following case report illustrates an unusual finding of bilateral anterior internal lenticonus.
Report of a Case.
—A healthy 43-year-old woman presented with difficulty in reading of 6 months' duration. Visual acuity was 20/20, J5 OD and 20/20, J4 OS. Cycloplegic refraction did not reveal any hyperopia. Near visual acuity was J4 OD and J5 OS, improving to J1 OU with an addition of +1.5 diopters (D) OD and +2.0 D OS.The patient's medical history and evaluation were unremarkable. Members of her family were unavailable for examination. She was the eighth of nine siblings of a nonconsanguinous marriage.With a slit-lamp optical section (both eyes), the posterior extent of adult and fetal nuclei was clearly delineated by the respective zones of discontinuity, while the corresponding anterior zones were indistinct. The anterior extent
Rajeev B, Thomas R. Anterior Internal Lenticonus. Arch Ophthalmol. 1990;108(9):1217. doi:10.1001/archopht.1990.01070110033012
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