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Macular pigment optical density in a Brazilian sample
Letícia Pinto Coelho Jorge1, Carlos Eduardo Gonçalves Pereira1, Eduardo Jorge1
1Instituto Panamericano da Visão, Street T 8 No. 171 Setor Marista, 74150-060 Goiânia, GO Brazil.
International Journal of Retina and Vitreous
|February 2, 2018
Summary
Macular pigment optical density (MPOD) in Brazilians is similar to Europeans but lower than Asians. MPOD was higher in black individuals and correlated with age, but not gender or smoking.
Area of Science:
- Ophthalmology
- Vision Science
- Public Health
Background:
- Macular pigment optical density (MPOD) is a key indicator of retinal health.
- Understanding MPOD determinants is crucial for eye health assessments in diverse populations.
Purpose of the Study:
- To evaluate macular pigment optical density (MPOD) in a Brazilian population sample.
- To identify demographic and lifestyle factors influencing MPOD in this cohort.
Main Methods:
- Cross-sectional study involving 103 healthy Brazilian individuals.
- Digital fundus photography with an MPOD module (Visucam 500) was used.
- MPOD (maximum, mean, volume, area), demographics, and lifestyle data were collected.
Main Results:
- Mean MPOD was 0.14 ± 0.05 density units.
- MPOD was significantly higher in black individuals compared to white and biracial individuals.
- MPOD showed a low positive correlation with age; no influence from gender, smoking, or refractive error was observed.
Conclusions:
- Brazilian MPOD values are comparable to European samples but lower than Asian and Australian cohorts.
- This study provides the first MPOD data for a South American population.
- Findings highlight ethnic variations in MPOD and its relationship with age.
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