PIC, MFC, and VKH were the three primary specific types of uveitis with inflammatory CNV in this study. Inflammatory CNV tended to break though the retinal pigment epithelium and beneath the neurosensory retina. Moreover, inflammatory CNV was usually nonsubfoveal when it occurred.
ABSTRACT.Purpose: To measure the macular pigment optical density (MPOD) values in a healthy Chinese population using the one-wavelength reflectometry method and to investigate the relationships of MPOD with age, sex, body mass index (BMI), smoking and lens opacities. Methods: A total of 441 healthy participants, aged 3-81 years old (242 male and 199 female subjects), were enrolled in this study. Demographic and lifestyle data were recorded based on physical examinations and questionnaires. Lens opacities were measured according to the Lens Opacities Classification System III (LOCS III). MPOD values were measured at 7°of eccentricity, using the one-wavelength reflectometry method (Visucam 200; Carl Zeiss Meditec). MPOD values were reported in parameters including 'max' and 'mean' optical density (OD). The original MPOD values without automated correction were used for analysis.
Results:The average values were 0.303 AE 0.097 d.u. (initials of density units) for the max OD and 0.109 AE 0.031 d.u. for the mean OD. A significant inverse relationship was found between age and MPOD (for max OD, b = À0.716, p < 0.001; for mean OD, b = À0.669, p < 0.001). Participants with no lens opacities had higher MPOD values than those with moderate lens opacities (p < 0.001). The MPOD values were not associated with sex, BMI or smoking status. Conclusion: MPOD within 7°of eccentricity, as measured by one-wavelength reflectometry, was found to decrease with increasing age in a healthy Chinese population, and lens opacities had an impact on these measurements. These results provide a reference value for future studies in the Chinese population.
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