Total keratometry versus standard keratometry for intraocular lens power calculation in eyes with keratoconus.

Purpose: To describe the accuracy of monofocal intraocular lens power calculation in patients with keratoconus using total keratometry (TK) and standard keratometry (K) with conventional and keratoconus-modified formulas.

Setting: Asociación Para Evitar la Ceguera en México, Mexico City, Mexico.

Design: Observational, retrospective, non-randomized, comparative study.

Spectrum of variants associated with inherited retinal dystrophies in Northeast Mexico.

Background: Inherited retinal dystrophies are hereditary diseases which have in common the progressive degeneration of photoreceptors. They are a group of diseases with clinical, genetic, and allelic heterogeneity. There is limited information regarding the genetic landscape of inherited retinal diseases in Mexico, therefore, the present study was conducted in the northeast region of the country.

Beneath the surface: a case report of metastatic iridociliary ring melanoma treated with pembrolizumab.

Iridociliary ring melanoma is an uncommon type of uveal melanoma. Clinical manifestation varies from asymptomatic cases to masquerade syndromes mimicking refractory glaucoma. Treatment options include radiotherapy and enucleation.