It is refraction that makes some objects appear ... Focusing light is important for getting clear images in our eye or in photographs, because images that are not focused appear blurred.
A refractive error is a condition caused by the shape of your eye that causes blurred vision. Nearsightedness, farsightedness, astigmatism and presbyopia are common ...
Additionally, previous eye injuries or surgeries, as well as long-term use of certain medications like statins or diuretics, may also contribute to the development of refractive cataracts.
Hyperopic change developed a mean of 3.4 (SD 2.0) days after the onset of treatment, and reached a peak at 10.3 (6.1) days, where the maximum hyperopic change in an eye was 1.47 (0.87) D (range 0.50–3 ...
Correspondence to: Dr Catherine Stewart Department of Visual Neuroscience, Imperial College London, Charing Cross Campus, Margravine Road, London W6 8RP, UK; c.stewartimperial.ac.uk Aim: To describe ...