Ophthalmological Manifestations of Oculocutaneous and Ocular Albinism: Current Perspectives.

VEP albinism foveal hypoplasia misrouting visual electrophysiology

Journal

Clinical ophthalmology (Auckland, N.Z.)
ISSN: 1177-5467
Titre abrégé: Clin Ophthalmol
Pays: New Zealand
ID NLM: 101321512

Informations de publication

Date de publication:
2022
Historique:
received: 07 02 2022
accepted: 14 04 2022
entrez: 31 5 2022
pubmed: 1 6 2022
medline: 1 6 2022
Statut: epublish

Résumé

Albinism describes a heterogeneous group of genetically determined disorders characterized by disrupted synthesis of melanin and a range of developmental ocular abnormalities. The main ocular features common to both oculocutaneous albinism (OCA), and ocular albinism (OA) include reduced visual acuity, refractive errors, foveal hypoplasia, congenital nystagmus, iris and fundus hypopigmentation and visual pathway misrouting, but clinical signs vary and there is phenotypic overlap with other pathologies. This study reviews the prevalence, genetics and ocular manifestations of OCA and OA, including abnormal development of the optic chiasm. The role of visual electrophysiology in the detection of chiasmal dysfunction and visual pathway misrouting is emphasized, highlighting how age-associated changes in visual evoked potential (VEP) test results must be considered to enable accurate diagnosis, and illustrated further by the inclusion of novel VEP data in genetically confirmed cases. Differential diagnosis is considered in the context of suspected retinal and other disorders, including rare syndromes that may masquerade as albinism.

Identifiants

pubmed: 35637898
doi: 10.2147/OPTH.S329282
pii: 329282
pmc: PMC9148211
doi:

Types de publication

Journal Article Review

Langues

eng

Pagination

1569-1587

Informations de copyright

© 2022 Neveu et al.

Déclaration de conflit d'intérêts

The authors report no conflicts of interest in this work.

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Auteurs

Magella M Neveu (MM)

Department Electrophysiology, Moorfields Eye Hospital, London, EC1V 2PD, UK.
Institute of Ophthalmology, University College London, London, UK.

Srikanta Kumar Padhy (SK)

Anant Bajaj Retina Institute, LV Prasad Eye Institute, Bhubaneswar, India.

Srishti Ramamurthy (S)

Anant Bajaj Retina Institute, LV Prasad Eye Institute, Hyderabad, India.

Brijesh Takkar (B)

Anant Bajaj Retina Institute, LV Prasad Eye Institute, Hyderabad, India.

Subhadra Jalali (S)

Anant Bajaj Retina Institute, LV Prasad Eye Institute, Hyderabad, India.

Deepika Cp (D)

Anant Bajaj Retina Institute, LV Prasad Eye Institute, Hyderabad, India.

Tapas Ranjan Padhi (TR)

Anant Bajaj Retina Institute, LV Prasad Eye Institute, Bhubaneswar, India.

Anthony G Robson (AG)

Department Electrophysiology, Moorfields Eye Hospital, London, EC1V 2PD, UK.
Institute of Ophthalmology, University College London, London, UK.

Classifications MeSH