Peripheral laserphotocoagulation in patients with bilateral drusen.

1. >= 10 drusen (> 63 ìm) within a 3 mm radius from the fovea;

2. Vision < 0.5;

3. No new or previous neovascularization;

4. No sub-RPE serous fluid > 1 MPS disc area;

5. No geographical atrophy within a radius of 500 ìm of the fovea;

6. If myopic: < 8 diopters;

7. No previous retinal laser treatment;

8. No serious proliferative or non-proliferative diabetic retinopathy of diabetic macula oedema;

9. No progressive eye disease;

10. Age >= 50 years;

11. Bilateral fundus photograph and FAG of the eye to be treated (< 2 weeks before treatment);

12. Ability and willingness to participate in 2 year follow-up.

1. Additional laser treatment during follow-up period;

2. Vitreous or retina intervention during follow-up;

3. Inspection of one of both eye is no longer possible.