The objective of this study was to examine the effect of the off axis retinoscopy on objective central refractive measurement in adult clinical practice. Informed consent was obtained from all study ...

The aim of this study was to present methods to improve the analysis of refractive data. A comparison of methods is used to analyse refractive powers using individual powers and aggregate data.

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The PARK 1 ® combines a non-contact pachymeter, auto-refractometer and keratometer in one unit. In addition to the objective refraction, the keratometer values and the pachymetry can be determined ...

A comparative study was conducted from August 2005 to May 2008, at Hospital Universiti Sains Malaysia and Hospital Raja Perempuan Zainab II, Kelantan, Malaysia. The sample size was calculated using ...

The applications of wavefront technology in eye care extend beyond custom ablation. When used purely for diagnostics, wavefront can surpass traditional methods of refraction, measuring higher-order ...

A project at the University of Zurich has designed an objective for light microscopy based on the reflective principles used in Schmidt telescopes and also found in nature in the eyes of scallops. The ...