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abducens nerve

abducens nerve   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
19 words

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

abduction

abduction   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
11 words

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

abnormal retinal correspondence

abnormal retinal correspondence   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
42 words

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

accommodation

accommodation   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
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

accommodative convergence : accommodation (AC : A) ratio   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
26 words

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

achromatopsia

achromatopsia   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
24 words

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

acute angle closure glaucoma

acute angle closure glaucoma   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
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

acute posterior multifocal placoid pigment epitheliopathy   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
63 words

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

acute primary angle closure

acute primary angle closure   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
140 words

A condition characterized by acute presentation with severe ocular pain, redness, and a fixed semidilated pupil associated with a very

acute retinal necrosis

acute retinal necrosis   Quick reference

A Dictionary of Ophthalmology

Reference type:
Subject Reference
Current Version:
2017
Subject:
Medicine and health, Clinical Medicine, Surgery
Length:
52 words

A rare syndrome of necrotizing retinitis caused by varicella zoster virus or herpes simplex virus (type 1 or 2). In

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