Comparison of Four Different Aberrometers for Evaluation of Higher Order Visual Aberrations
An aberrometer measures visual aberrations by mapping how light rays travel through the eye and by providing maps using colored gradients to represent the magnitude of refractive errors of the eye.
The purpose of this study is to compare 4 different aberrometers -Wavescan (Visx Technology), Zywave (Bausch & Lomb), Ladarwave aberrometer (Alcon Inc.) and Allegro Analyzer (Alcon Inc). In particular, the investigators propose to focus on the ability of these devices to display the higher order visual aberrations and to compare the quality of outputs from these 4 devices in normal healthy subjects.
Normal Individuals With Visual Aberrations
|Study Design:||Time Perspective: Prospective|
|Official Title:||Comparison of Four Different Aberrometers for Evaluation of Higher Order Visual Aberrations|
Please refer to this study by its ClinicalTrials.gov identifier: NCT01230164
|United States, Massachusetts|
|Massachusetts Eye and Ear Infirmary|
|Boston, Massachusetts, United States, 02114|
|Principal Investigator:||Roberto Pineda, MD||Massachusetts Eye and Ear Infirmary|