Ethnic differences in higher-order aberrations: Spherical aberration in the South East Asian Chinese eye.

Purpose: To determine the distribution of higher-order corneal and ocular aberrations in a healthy refractive surgery population.

Setting: Island Hospital, Penang, Malaysia.

Methods: In this prospective observational study, 1 eye of ethnic Chinese refractive surgery patients was evaluated with an Orbscan II corneal topographer and a Zywave Hartmann-Shack aberrometer with a 6.

NeuroVision treatment for low myopia following LASIK regression.

Purpose: To evaluate a novel non-surgical method for improving vision in a refractive surgery patient.

Methods: A 45-year-old man who had undergone LASIK 5 years previously presented with blurred distance vision. Unaided vision in the right eye was 20/329-2) and 20/20 in the left eye.