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abducens nerve

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 19 words.

The sixth cranial nerve. It innervates the ipsilateral lateral rectus muscle, resulting in *abduction of the eye.

abduction

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 11 words.

Horizontal movement of the eye outwards (away from the nose).

abnormal retinal correspondence

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 42 words.

A cortical mechanism to remap anatomically non-corresponding points of each retina to stimulate functionally corresponding points in the *occipital

accommodation

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 24 words.

The process by which the eye changes focus from distant to near objects through conformational changes in the ciliary muscle

accommodative convergence : accommodation (AC : A) ratio

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 26 words.

The measure of accommodative convergence per unit of accommodation. Convergence and accommodation are related neurologically, but the AC : A ratio varies

achromatopsia

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 24 words.

An inherited disorder of *cone photoreceptor function in which all three subtypes are lacking or non-functional. Incomplete and complete

Achromatopsia-Rod Monochromacy

Susanne Kohl.

in Genetic Diseases of the Eye, Second Edition

January 2012; p ublished online October 2012 .

Chapter. Subjects: Clinical Genetics; Ophthalmology. 6142 words.

Achromatopsia is also referred to as rod monochromacy (or rod monochromatism), complete (or total) color blindness (OMIM 216900, 262300, and 139340) or day blindness (hemeralopia) and is...

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acuity

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 4 words.

acute angle closure glaucoma

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 30 words.

A condition in which there is *acute primary angle closure (APAC) leading to sufficiently sustained *intraocular pressure to

acute posterior multifocal placoid pigment epitheliopathy

Robert J. Barry and Alastair K. Denniston.

in A Dictionary of Ophthalmology

P ublished online March 2017 .

Reference Entry. Subjects: Ophthalmology. 63 words.

A rare condition characterized by bilateral cream-coloured placoid lesions of the posterior fundus. The lesions arise at the level of