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ORIGINAL ARTICLE
Year : 2017  |  Volume : 65  |  Issue : 6  |  Page : 477-481

Comparison of macular pigment optical density in patients with dry and wet age-related macular degeneration


1 Department of Ophthalmology, School of Medicine, Dokuz Eylul University, Izmir, Turkey
2 Department of Biochemistry, School of Medicine, Dokuz Eylul University, Izmir, Turkey
3 Department of Ophthalmology, Karatas Hospital, Izmir, Turkey

Correspondence Address:
Mahmut Kaya
Mithatpasa Cad. 2, Karatas, No: 338 D: 12, Konak, Izmir 35220
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_365_16

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Aim: The aim of the study was to evaluate the macular pigment optical density (MPOD) levels in patients with wet age-related macular degeneration (AMD), dry AMD, and also in healthy controls. Settings and Design: This study was conducted at Department of Ophthalmology, and the study design was a prospective study. Patients and Methods: Forty-eight patients with wet AMD, 51 patients with dry AMD, and 50 controls were included in the study. All patients were naive to both previous lutein or zeaxanthin administration and any previous intravitreal injections. Fundus reflectance (VISUCAM 500, reflectance of a single 460 nm wavelength) was used to measure the MPOD levels. Three groups were compared regarding age, gender, serum lutein, and zeaxanthin concentrations as well as MPOD levels. Results: Serum lutein and zeaxanthin levels were significantly higher in control group when compared with wet AMD (Group 1) and dry AMD (Group 2) (P = 0.001 and P< 0.001, respectively). Mean MPOD was found to be similar in all of the three study subgroups (P = 0.630). However, maximum MPOD was significantly higher in control group when compared with Group 1 and 2 (P = 0.003). There was no correlation between serum lutein or zeaxanthin concentrations and mean MPOD levels (P = 0.815, r = 0.014 and P = 0.461, r = 0.043, respectively), but there was a weak correlation between serum zeaxanthin concentration and maximum MPOD level (P = 0.042, r = 0.124). Maximum MPOD level was found to be correlated with the level of AMD (Group 1, 2, and 3; r = 0.184, P = 0.041). Conclusion: Maximum MPOD level was found to be lower in patients with AMD when compared with control cases. Mean MPOD and maximum MPOD levels were similar in wet and dry AMD Groups. These results can be applied clinically keeping in mind that MPOD measurements with one wavelength reflectometry may not be completely reliable.


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