Margolis, Mary Kay; Coyne, Karin; Kennedy-Martin, Tessa; … - In: PharmacoEconomics 20 (2002) 12, pp. 791-812
Clinically objective measures such as visual acuity or visual field provide an assessment of a patient's visual status. However such measures may not reflect the degree of visual impairment the patient experiences in his or her daily activities. Visual impairment has been shown to have negative...