AstigmatismWordNet Explorer

(optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point

a state at a particular time

the branch of physics that studies the physical properties of light

(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people

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

the branch of medicine concerned with the eye and its diseases

abnormal bulging of the cornea of the eye

abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia