- convergence insufficiency
- an acquired condition in which the eyes fail to turn inwards enough to achieve fusion of separate images during near vision.
Medical dictionary. 2011.
convergence insufficiency
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Convergence insufficiency — Convergence Insufficency Classification and external resources ICD 10 H51.1 ICD 9 378.83 … Wikipedia
convergence insufficiency — an acquired condition in which the eyes fail to turn inwards enough to achieve fusion of separate images during near vision. In some cases, treatment with muscle exercises (see orthoptics) can improve the condition … The new mediacal dictionary
Convergence micropsia — is a type of micropsia characterized by the reduction in apparent size of objects viewed when the eyes are more converged than they need to be for the distance of the object from the eyes. [1] [2] [3] It occurs mainly during stereoscopy and when… … Wikipedia
Convergence (eye) — In ophthalmology, convergence is the simultaneous inward movement of both eyes toward each other, usually in an effort to maintain single binocular vision when viewing an object. [1] This action is mediated by the medial rectus muscle, which is… … 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
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
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 … Wikipedia
Vision therapy — Vision therapy, also known as visual training, vision training, or visual therapy, is a broad group of techniques aimed at correcting and improving binocular, oculomotor, visual processing, and perceptual disorders. [1] Contents 1 Historical… … Wikipedia
Eye exercises — are sometimes used in an attempt to correct vision problems. Different views exist regarding the extent of their effectiveness.Helveston EM. Visual training: current status in ophthalmology. Am J Ophthalmol. 2005 Nov;140(5):903 10. PMID… … Wikipedia
Exotropia — Classification and external resources ICD 10 H50.1, H50.3 ICD 9 … Wikipedia
