| 释义 |
astigmia
Thesaurus| Noun | 1. | astigmia - (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted peopleastigmatismophthalmology - the branch of medicine concerned with the eye and its diseasesametropia - (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopiakeratectasia - abnormal bulging of the cornea of the eyekeratoconus - abnormal cone-shaped protrusion of the cornea of the eye; can be treated by epikeratophakia | | 2. | astigmia - (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal pointastigmatismoptics - the branch of physics that studies the physical properties of lightcondition, status - a state at a particular time; "a condition (or state) of disrepair"; "the current status of the arms negotiations" |
EncyclopediaSeeastigmatismastigmia
Synonyms for astigmianoun (ophthalmology) impaired eyesight resulting usually from irregular conformation of the corneaSynonymsRelated Words- ophthalmology
- ametropia
- keratectasia
- keratoconus
noun (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal pointSynonymsRelated Words |