Accommodative insufficiency

Accommodative insufficiency

Accommodative insufficiency (AI) involves the inability of the eye to focus properly on an object. Approximately 80 percent of children diagnosed with CI (convergence insufficiency) also demonstrate AI.

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  • accommodative insufficiency — a weakness of the accommodation reflex, usually a result of injury, disease, or the effect of medication …   Medical dictionary

  • accommodative insufficiency — a weakness of the accommodation reflex, sometimes a result of injury, disease, or the effect of medication …   The new mediacal dictionary

  • Accommodative convergence — is that portion of the range of inward rotation of both eyes (i.e. convergence) that occurs in response to an increase in optical power for focusing by the crystalline lens (i.e. accommodation). [Cassin, B. and Solomon, S. Dictionary of Eye… …   Wikipedia

  • insufficiency — Lack of completeness of function or power. SEE ALSO: incompetence. [L. in , neg. + sufficientia, fr. sufficio to suffice] accommodative i. a lack of appropriate accommodation for near focus. acute adrenocortical i. severe adrenocortical i. when… …   Medical dictionary

  • Convergence insufficiency — Convergence Insufficency Classification and external resources ICD 10 H51.1 ICD 9 378.83 …   Wikipedia

  • Accommodation (eye) — Accommodation is the process by which the increases optical power to maintain a clear image (focus) on an object as it draws near the eye. The young human eye can change focus from distance to 7 cm from the eye in 350 milliseconds. This dramatic… …   Wikipedia

  • Positive relative accommodation — (PRA) is a measure of the maximum ability to stimulate accommodation while maintaining clear, single binocular vision [ of Terms.htm] . This measurement is typically obtained by an ophthalmologist or… …   Wikipedia

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  • Pediatric ophthalmology — is a sub speciality of ophthalmology concerned with eye diseases and vision care in children. TrainingIn the United States, pediatric ophthalmologists are physicians who have completed medical school, a 1 year internship, 3 year residency in… …   Wikipedia

  • Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward …   Wikipedia