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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

adaptive optics

adaptive optics   Quick reference

A Dictionary of Ophthalmology

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

An imaging technique which utilizes real-time measurement of optical aberrations via a wavefront sensor and subsequent compensation by highly deformable

adduction

adduction   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 inwards (i.e. towards the nose).

Adie’s pupil

Adie’s pupil   Quick reference

A Dictionary of Ophthalmology

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

A pupil with abnormal parasympathetic innervation, which typically results in *mydriasis, poor constriction to light, and exaggerated but

adult vitelliform macular dystrophy

adult vitelliform macular dystrophy   Quick reference

A Dictionary of Ophthalmology

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

An uncommon macular condition arising in adulthood, characterized by bilateral round yellow symmetrical subretinal lesions at the fovea. It has

age-related macular degeneration

age-related macular degeneration   Quick reference

A Dictionary of Ophthalmology

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

A very common blinding condition of the older population arising primarily from changes in the *photoreceptor and RPE layers

Aggression and Anger in Sport and Performance

Aggression and Anger in Sport and Performance   Reference library

Jerzy Kosiewicz

The Oxford Encyclopedia of Sport, Exercise, and Performance Psychology

Reference type:
Subject Reference
Current Version:
2019
An extensive body of literature exists regarding aggression in sport, primarily in English but also some in Polish. This literature provides a sufficient groundwork for initial ... More
agonist

agonist   Quick reference

A Dictionary of Ophthalmology

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

A term describing extraocular muscles; the primary extraocular muscle that moves an eye in a particular direction, and in the

A Holistic and Mental Health Perspective on Transitioning Out of Elite Sport

A Holistic and Mental Health Perspective on Transitioning Out of Elite Sport   Reference library

Paul Wylleman

The Oxford Encyclopedia of Sport, Exercise, and Performance Psychology

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Psychology, Medicine and health, Clinical Medicine
Length:
5,852 words
Illustration(s):
1

While not always voluntary (e.g., retirement as a result of a career-ending injury) (e.g., Ristolainen, Kettunen, Kujala, & Heinonen, 2012...

albinism

albinism   Quick reference

A Dictionary of Ophthalmology

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

Abnormalities in the synthesis of melanin affecting the eye alone (ocular albinism) or eye, skin, and hair (oculocutaneous albinism).

Alcohol Abuse and Drug Use in Sport and Performance

Alcohol Abuse and Drug Use in Sport and Performance   Reference library

Matthew P. Martens

The Oxford Encyclopedia of Sport, Exercise, and Performance Psychology

Reference type:
Subject Reference
Current Version:
2019
Alcohol and drugs are a pervasive part of many sports, and in many ways they are inextricably linked. These links include issues such as ubiquitous alcohol advertising and sponsorship in ... More

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