A refraction test is performed by an optometrist or ophthalmologist to determine if you have a refractive error in your vision causing you to be nearsighted, farsighted or have an astigmatism.

Aug 30, 2023 · Eye refraction is the calculation of the lens power required for eyeglasses or contact lenses, determined through a refraction test.

Jul 2, 2018 · A refraction test is given as part of a routine eye examination. This test tells your eye doctor what prescription you need in your glasses or contact lenses.

A refraction eye exam involves looking at a set of letters through a device while your eye doctor switches the lens and asks which option looks clearer. Refraction eye exams ensure you have …

Oct 30, 2025 · A refractive error is a common eye problem that affects the way light focuses inside your eye. There are four main types that affect your vision in different ways.

Jan 20, 2025 · A refraction is an eye exam that measures a person's prescription for eyeglasses or contact lenses.

Nov 15, 2025 · Eye refraction is the process where light bends as it enters the eye, occurring across the transparent structures at the front surface. The primary purpose is to converge all …