title: Features of age-related macular degeneration in a black population. The Barbados Eye Study Group.
abstract: OBJECTIVE
  To report on the frequency of features of age-related macular degeneration in a black population based on fundus photograph gradings.
  
  
  METHODS
  Population-based study.
  
  
  METHODS
  Barbados, West Indies.
  
  
  METHODS
  Residents of Barbados, selected by a random sample of Barbados-born citizens, aged 40 to 84 years.
  
  
  METHODS
  Gradings from 30 degrees stereoscopic macular photographs.
  
  
  RESULTS
  Black participants (n = 3444) completed examinations at the study site and had gradable macular photographs in both eyes. Drusen larger than 63 microns occurred with comparable frequency in men and women. The frequency of small drusen decreased with age, while medium and large drusen were more common in older participants. Frequencies of all age-related macular degeneration-related characteristics were similar for men and women except for small drusen, which occurred more commonly in women. Confluent drusen and pigment atrophy also increased significantly with age. Exudative features occurred in 0.5% of the participants.
  
  
  CONCLUSIONS
  This study provides population-based data on the frequency of features of age-related macular degeneration based on photographic gradings of a black population. Features of early age-related macular degeneration were common, but appeared at a lower frequency than has been reported for white populations. Exudative disease was infrequent, occurring in about one of 200 participants.
authors.affiliation: Johns Hopkins University, Baltimore, MD, USA.
authors.forename: A P
authors.initials: AP
authors.lastname: Schachat
authors.forename: L
authors.initials: L
authors.lastname: Hyman
authors.forename: M C
authors.initials: MC
authors.lastname: Leske
authors.forename: A M
authors.initials: AM
authors.lastname: Connell
authors.forename: S Y
authors.initials: SY
authors.lastname: Wu
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D001460:Barbados / Q000453:epidemiology; D044383:Black People; D005260:Female; D005654:Fundus Oculi; D006801:Humans; D008268:Macular Degeneration / Q000453:epidemiology* / Q000208:ethnology / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010781:Photography; D015995:Prevalence; D012307:Risk Factors