One of the mysteries of the English language finally explained.
treated as singular The study or treatment of irregularities of the eyes, especially those of the eye muscles that prevent normal binocular vision.
- ‘Orthoptics, which literally means "straightening of the eyes", dates back to the 1850s and is limited in scope to eye-muscle training and the cosmetic straightening of eyes.’
- ‘A course in orthoptics takes three years of study.’
- ‘Situated in a busy teaching hospital, the Academic Unit of Ophthalmology and Orthoptics provides facilities for both clinical and laboratory based research.’
- ‘Orthoptists are concerned with the diagnosis and treatment of ocular motility and problems relating to vision.’
- ‘It will also facilitate speech and language therapy, community welfare, orthoptics, psychology, home support services, home meals services and day care services for older people.’
Late 19th century: from ortho- ‘correct’ + Greek optikos (see optic).
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