Snellen Blog

All Adjust Display Settings aesthetic concerns age-related amber-tinted lenses anatomical astigmatism bifocal glasses blindness blue light exposure blue-light-blocking blurred vision Cataracts chronic cases Color blindness color-coded computers corrective surgery Diabetes diabetic retinopathy dopamine dryness elongation environmental ergonomics eye checkups eyeball farsightedness genetic Genetic testing Glaucoma gritty sensations High blood sugar hyperopia LASIK light sensitivity low vision magnifiers melatonin production myopia nearsightedness omega-3 optic nerve optimizing lighting outdoor play permanent vision loss presbyopia progressive lenses Proper Screen Positioning redness Refractive errors retina retinal blood vessels sleep cycles smartphones Sunlight tight glucose control Vision Breaks Visual health visual impairments
RSS
Understanding the Causes of Refractive Errors

Understanding the Causes of Refractive Errors

Refractive errors, which include myopia (nearsightedness), hyperopia (farsightedness), astigmatism, and presbyopia, are among the most common vision problems worldwide. These conditions occur when the shape of the eye prevents light from focusing directly on the retina, leading to blurred vision. The causes of refractive errors are multifaceted, involving genetic, anatomical, environmental, and age-related factors.

March 16, 2025 — HUGO PEREZ
Tags: age-related anatomical astigmatism blurred vision environmental farsightedness genetic hyperopia myopia nearsightedness presbyopia Refractive errors retina