TY  - GEN
AU  - Birch,David G
AU  - Toler,Steven M
AU  - Swanson,William H
AU  - Fish,Gary E
AU  - Laties,Alan M
TI  - A double-blind placebo-controlled evaluation of the acute effects of sildenafil citrate (Viagra) on visual function in subjects with early-stage age-related macular degeneration
SN  - 0002-9394
PY  - 2002///0613
KW  - 3',5'-Cyclic-GMP Phosphodiesterases
KW  - antagonists & inhibitors
KW  - Aged
KW  - Aged, 80 and over
KW  - Color Perception
KW  - drug effects
KW  - Color Perception Tests
KW  - Cross-Over Studies
KW  - Double-Blind Method
KW  - Drug Evaluation
KW  - Humans
KW  - Macular Degeneration
KW  - complications
KW  - Male
KW  - Middle Aged
KW  - Phosphodiesterase Inhibitors
KW  - administration & dosage
KW  - Piperazines
KW  - Prospective Studies
KW  - Purines
KW  - Safety
KW  - Sildenafil Citrate
KW  - Sulfones
KW  - Visual Acuity
KW  - Visual Field Tests
KW  - Visual Fields
N1  - Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1016/s0002-9394(02)01338-7
ER  -