| CASE REPORT |
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| Year : 2023 | Volume
: 3
| Issue : 1 | Page : 89-91 |
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Nyctalopia in alcoholic liver disease–induced vitamin A deficiency: Can serum retinol levels be relied upon?
Ramya R Nadig1, Himanshu Kashyap1, Rajesh Nagarajan2, Rajiv Raman1
1 Shri Bhagwan Mahavir Vitreoretinal Services, Medical Research Foundation, Sankara Nethralaya, Chennai, Tamil Nadu, India
2 Vision Research Foundation, Sankara Nethralaya, Chennai, Tamil Nadu, India
Correspondence Address:
Rajiv Raman
Shri Bhagwan Mahavir Vitreoretinal Services, Medical Research Foundation, Sankara Nethralaya, 18 College Road, Chennai - 600 006, Tamil Nadu
India
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/ijo.IJO_1830_22
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We report a case of a 52-year-old man with diminution of vision in both eyes at night for 15 days with mild retinal pigment epithelium changes at the macula and a tessellated background on fundus examination. Given his history of chronic alcohol consumption and jaundice two weeks back, vitamin A deficiency was contemplated. Electroretinogram (ERG) showed diminished responses. Serum retinol was 17 μg/dl. On supplementation with vitamin A, symptoms improved and ERG was normal; however, serum retinol levels were still low at 8.98 μg/dl. Thus, serum retinol does not necessarily indicate response to treatment, and ERG is necessitated in such cases.
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