Table 7.

Results of responses rating the quality of evidence supporting the use of nutritional supplements in AMD

Quality of evidence	N (%)
Rating of the strength of evidence supporting the use of supplements for AMD prevention
o High quality	185 (13.9)
o Moderate quality	873 (65.6)
o Low quality	247 (18.6)
o Very low quality	25 (1.9)
Rating of the strength of evidence supporting the use of supplements for slowing the progression of AMD
o High quality	215 (16.2)
o Moderate quality	849 (64.1)
o Low quality	239 (18.0)
o Very low quality	22 (1.7)