Changes in visual acuity using low vision devices in patients with Leber hereditary optic neuropathy: A retrospective study

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dc.contributor.authorGopalakrishnan, Sarikaen_US
dc.contributor.authorBhaskaran, Gnanapoonkodien_US
dc.contributor.authorJayasankar, Ompriyaen_US
dc.contributor.authorSelvakumar, Ambikaen_US
dc.contributor.authorRaman, Rajiven_US
dc.date.accessioned2023-08-25T06:36:08Z
dc.date.available2023-08-25T06:36:08Z
dc.date.issued2023-02
dc.description.abstractPurpose: This study was conducted to estimate the visual acuity improvement in patients with Leber hereditary optic neuropathy (LHON) with the help of low vision devices (LVDs) and to analyze the types of distant and near LVDs prescribed to the patients with LHON. Methods: A retrospective case review of 74 subjects with LHON who were referred to a low vision care clinic at a tertiary eye center from 2016 to 2019 were recruited. The reason for referral was assessed from the patients’ electronic medical records (EMR). Demographic data of the patients, visual acuity status, type of LVD prescribed, and visual acuity improvement with LVD were documented. Results: Out of 74 patients, 91.9% (n = 68) were male, and the median age of patients was 21 (16) years. A 4× monocular telescope was prescribed for 2.7% of patients (n = 2) and SEETV binocular telescope for 1.4% (n = 1) was advised for distance. The most commonly prescribed near LVD was the 6× cutaway stand magnifier for 22 patients (29.7%). Four patients (5.4%) were prescribed with Notex, the most commonly prescribed non?optical LVD. Niki CCTV (12.2%, n=9) was the most commonly prescribed assistive device. The subjects were divided into three groups based on age: group I consisted of those <18 years of age, group II 18–40 years, and group III >40 years for the interpretation of visual improvement. There was a statistically significant improvement (group I: P < 0.001, group II: P < 0.0001, group III: P < 0.003) in near vision with help of LVDs in all three groups. Conclusion: The use of LVDs and rehabilitation can help patients with LHON to lead a better life and will be more beneficialen_US
dc.identifier.affiliationsOptometrist, Low Vision Care Clinic, Sankara Nethralaya, Chennai, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsResearch Optometrist, Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya, Chennai, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsSocial Worker, Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya, Chennai, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsHead of the Department, Department of Neuro-Ophthalmology, Sankara Nethralaya, Chennai, Tamil Nadu, Indiaen_US
dc.identifier.affiliationsSenior Consultant, Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya, Chennai, Tamil Nadu, Indiaen_US
dc.identifier.citationGopalakrishnan Sarika, Bhaskaran Gnanapoonkodi, Jayasankar Ompriya, Selvakumar Ambika, Raman Rajiv. Changes in visual acuity using low vision devices in patients with Leber hereditary optic neuropathy: A retrospective study. Indian Journal of Ophthalmology. 2023 Feb; 71(2): 402-407en_US
dc.identifier.issn1998-3689
dc.identifier.issn0301-4738
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/224876
dc.languageenen_US
dc.publisherAll India Ophthalmological Societyen_US
dc.relation.issuenumber2en_US
dc.relation.volume71en_US
dc.source.urihttps://doi.org/10.4103/ijo.IJO_1130_22en_US
dc.subjectLeber hereditary optic neuropathyen_US
dc.subjectlow vision care clinicen_US
dc.subjectlow vision devicesen_US
dc.subjectvisual impairmenten_US
dc.titleChanges in visual acuity using low vision devices in patients with Leber hereditary optic neuropathy: A retrospective studyen_US
dc.typeJournal Articleen_US
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