Abstract
We present the pinhole iris-fixated diaphragm intraocular lens (IOL), which is a 1-piece black polycarbonate IOL with rigid iris-fixated haptics, an 8.5 mm overall length, a 6.0 mm diameter optic, and a central opening, the pinhole. The IOL was implanted in a 36-year-old man who had a history of debilitating dysphotopsia (star burst, halos, glare, and ghosting) and severe light sensitivity in his right eye following several interventions for keratoconus. The diameter of the central opening of the pinhole IOL, 2.0 mm, was based on the patient's corneal aberration profile. Postoperatively, the dysphotopic symptoms and photophobia markedly improved. We recommend the use of the pinhole iris-fixated IOL in patients with severe photophobia or dysphotopsia refractory to other treatment modalities. No author has a financial or proprietary interest in any material or method mentioned.
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