GTSCOPE - To Evaluate the Natural Progression of Dry Age-related Macular Degeneration (AMD)

Geographic Atrophy (GA)

Change from baseline in area of Geographic Atrophy, as assessed by Fundus Auto Fluoresence measured in mm2

Time frame: Up to 96 weeks

Colour Fundus (CF)

Change from baseline in Colour Fundus Photography measured in mm2

Time frame: Up to 96 weeks

Retinal Drusen Volume

Change from baseline in retinal drusen volume measured in mm3

Time frame: Up to 96 weeks

Early Treatment Diabetic Retinopathy Study (ETDRS) Best Corrected Visual Acuity (BCVA)

Change from baseline in ETDRS BCVA reading score

Time frame: Up to 96 weeks

Retinal sensitivity

Change from baseline in retinal sensitivity as assessed by microperimetry

Time frame: Up to 96 weeks

Visual Functioning Questionnaire

Change from baseline in National Eye Institute Visual Functioning Questionnaire 25-Items Version (NEI VFQ-25) Minimum Score (Best) = 29. Maximum score (Worst) = 149

Time frame: Up to 96 weeks

Medical Events of Interest (MEI)

Change from baseline in percentage of Participants with MEI

Time frame: Up to 96 weeks

Monocular and Binocular Reading Performance

Change in Monocular and Binocular Reading Performance measured in words/min

Time frame: Up to 96 weeks