the branches of medical science that deal with nonsurgical techniques

of or relating to ophthalmology

a medical doctor specializing in the diagnosis and treatment of diseases of the eye

abnormal ability to focus of distant objects

(ophthalmology) a lamp that emits a narrow but intense beam of light that enables an ophthalmologist, using a microscope, to view the retina and optic nerve

(ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia

(ophthalmology) the normal refractive condition of the eye in which there is clear focus of light on the retina

(ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred