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[Frequency of retinal changes in myopia in a black population]
P A Ndiaye1, R R Koffane, A Wade
1Clinique Ophtalmologique, CHU Le Dantec, Dakar, Sénégal.
Purpose:
Retinal detachment is the main complication of peripheral retinal lesions in myopia but seems rare in black people. We analysed peripheral retinal changes in myopia in a black population.
Material And Methods:
This study was conducted by a single ophthalmologist. The tests included a refraction, a retinal biomicroscopy (with a Volk lens and a 3-mirror Goldmann lens) and an indirect ophthalmoscopy. The results were compared by a chi square test.
Results:
50 people (100 eyes) were available for examination. The mean age was 28.21 years, the two extremes being at 11 and 54 years, with 68% females and 32% males. In 50 eyes the spheric equivalent was between -1 and -5.75 diopters (group I). In 50 eyes the spheric equivalent was greater than or equal to -6 diopters (group II). Snow was found in 16% of cases in group I and 34% of cases in group II (p = 0.0366). Tears were found in 2% of cases in group I and 12% of cases in group II (p = 0.116). Lattice degeneration was found only in group II.
Conclusion:
Retinal tear frequency was similar to the results of other authors. Comparative studies are necessary to evaluate the risk of retinal detachment in black populations.