Role of microperimetry in evaluating disease progression in age-related macular degeneration: a scoping review

Madheswaran, Gopinath and Nasim, Pinaz and Ganeshrao, Shonraj Ballae and Ramesh, SVe (2022) Role of microperimetry in evaluating disease progression in age-related macular degeneration: a scoping review. International Ophthalmology, 42 (6). pp. 1975-1986. ISSN 0165-5701

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Purpose Recent research has found variable evidence on the role of mesopic and dark-adapted scotopic microperimetry assessment in age-related macular degeneration. This scoping review summarises how mesopic and scotopic microperimetry can be used to assess disease progression in agerelated macular degeneration and identifies gaps in the literature. Methods A population, concept, and context approach was used to develop the search strategy. Ovid MEDLINE, EMBASE, Cochrane Library, PubMed, CINAHL Plus, Web of Science, and SCOPUS databases were used to conduct the literature search. The key search terms used in the databases were age-related macular degeneration and microperimetry. Results Twelve studies were eligible and included in the review. All the studies (n = 12) were conducted in European countries [Germany (9), Italy (2), and the United Kingdom (1)]. The mesopic and scotopic sensitivities were measured using the Nidek scotopic microperimeter (MP1-S) (n = 6), scotopic Macular Integrity Assessment device (S-MAIA) (n = 5), and both MP1-s and S MAIA (n = 1). 83.3% (n = 10) studied (cross-sectional design) on mesopic, scotopic microperimetry and found reduced rod (scotopic) photoreceptors sensitivities compared to cone (mesopic) photoreceptors sensitivities in patients with small and reticular pseudodrusen despite having good visual acuity. Only 16.7% (n = 2) of studies followed participants with reticular drusen/large drusen for three years (longitudinal design) and found reduced scotopic over mesopic sensitivity at baseline and localized mesopic with profound scotopic sensitivity loss during follow-ups. Conclusion Scotopic sensitivity is a better functional indicator than mesopic sensitivity to understand early and intermediate age-related macular degeneration progression. The evidence from longitudinal studies is debatable due to the limited stimuli range of existing microperimeters, smaller sample size, and lost followups.

Item Type: Article
Uncontrolled Keywords: Age-related macular degeneration; mesopic microperimetry; microperimeter; fundus controlled perimetry; scotopic microperimetry; scoping review.
Subjects: Allied Health > MCOAHS Manipal > Optometry
Depositing User: KMC Library
Date Deposited: 18 Jul 2022 03:54
Last Modified: 18 Jul 2022 03:54

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