PURPOSE To evaluate the optical characteristics of the Boston Keratoprosthesis (KPro), identify glare sources, evaluate possible glare control, and examine the benefit of implantation when the fellow eye has normal vision. METHODS Computed and optical-bench-measured point spread function (PSF) and glare sources were compared. A translucent plastic cornea was used to determine the impact of gl...

Citation: Walther H, Phan C-M, Subbaraman LN, Jones L. Differential deposition of fluorescently tagged cholesterol on commercial contact lenses using a novel in vitro eye model. Trans Vis Sci Tech. 2018;7(2): 18, https://doi.org/10.1167/ tvst.7.2.18 Copyright 2018 The Authors Purpose: We evaluate the differences in lipid uptake and penetration in daily disposable (DD) contact lenses (CL) using ...

OBJECTIVE To evaluate the aberration and visual quality differences between myopic and astigmatic eyes before and after contact lens application by using corneal aberrometer and low- contrast sensitivity chart. METHODS Eighty eyes of 40 patients were included in this study. Patients were divided into two groups as myopic (40 eyes, n=20) and astigmatic groups (40 eyes, n=20). We used aspheric ...

WITH a correctly fitting pair of approximately -14 D. corneal contact lenses, a person with normal emmetropic eyes can become a 12 D. experimental hyperope, and he can very nearly simulate the exact type of vision of the spectacle-corrected aphakic by wearing a correctly fitted set of + 12-00 D. Sph. cataract spectacle lenses. With this "simulator of aphakia", the inquisitive scientific researc...

PURPOSE To formulate and test an algorithm using minimal topographic criteria for accurately diagnosing clinical keratoconus. SETTING Subspecialty cornea practice and Keratoconus Genetic Research Project. METHODS Both eyes of 86 keratoconic patients who had never worn contact lenses and 195 normal participants were studied with the TMS-1 videokeratoscope to evaluate the KISA% index, an algo...

The purpose of this study was to examine the effect of the presence of a music stand and performer’s eye contact on high school solo vocal performance quality ratings. Undergraduate music and non-music majors (N = 167) assigned ratings to three audiovisual recordings: memorized, non-memorized with eye contact to audience, and non-memorized without eye contact to audience. Significantly higher r...

Patients presenting to an eye care professional commonly complain of symptoms related to dry eye syndrome (DES), a multi-factorial condition causing instability of the tear film which can potentially result in ocular discomfort and reduced visual function.1 It is estimated that up to a quarter of individuals seen in an optometric clinical setting report symptoms associated with dry eyes, a stat...

A 38-year-old male presented with pain and redness in his left eye. He had a history of wearing contact lenses. His ophthalmic examination revealed a large corneal ulcer with surrounding infiltrate. Cultures were isolated from the contact lenses, lens solutions, storage cases, and conjunctivae of both eyes and also corneal scrapings of the left eye. Fortified vancomycin and amikacin drops were ...

We examined the influences of face inversion and facial expression on sensitivity to eye contact in high-functioning adults with and without an autism spectrum disorder (ASD). Participants judged the direction of gaze of angry, fearful, and neutral faces. In the typical group only, the range of directions of gaze leading to the perception of eye contact (the cone of gaze) was narrower for uprig...

Do 5-month-old infants show differences in processing objects as a function of a prior interaction with an adult? Using a live ERP paradigm we assessed this question utilizing a within-subjects design. Infants saw objects during two pretest phases with an adult experimenter. We recorded event-related potentials to the presentation of objects following the interactive pretest phases. Experimenta...