Study to Evaluate the Efficacy and Safety of Oral CT1812 in Participants With Geographic Atrophy (GA) Secondary to Dry Age-Related Macular Degeneration (AMD).

Inclusion Criteria:

1. Age ≥50 years at time of informed consent.

2. BCVA of 24 letters or better using Early Treatment Diabetic Retinopathy Study (ETDRS) charts at screening.

3. Stable pharmacological treatment of any other chronic conditions for at least 30days prior to screening.

EXCLUSION CRITERIA:

1. GA due to causes other than dry AMD.

2. Any history or current evidence of exudative ("wet") AMD.

3. Retinal disease other than dry AMD.

4. Any ophthalmologic condition that prevents adequate imaging of the retina as judgedby the study site or central reading center.

5. Intraocular surgery (including intraocular lens implantation surgery) within 3months prior to randomization.

6. Any ophthalmic condition that will or is likely to require surgery during the studyperiod.

7. Hypersensitivity to fluorescein.

8. Suspected or known allergy to any components of the study treatments.

9. History of vitrectomy surgery, submacular surgery or any other surgical interventionfor dry AMD.

10. History of glaucoma filtering surgery or corneal transplant in the study eye.

11. History of central serous retinopathy in either eye.