Sub-threshold Micro-Pulse Laser Therapy for Drusen of Dry AMD

The Affiliated Eye Hospital of Wenzhou Medical University

To investigate the efficacy and safety of sub-threshold micro-pulse laser therapy for drusen of dry age-related macular degeneration (AMD) .

Inclusion Criteria:

1. Older than 50 years of age.
2. Male or female patients with nonexudative AMD with a drusen diameter of at least 125um in the central 3mm circle
3. clear media to perform colour, red-free imaging and fundus fluorescein angiography, fundus autofluorescence imaging and OCT.
4. Able to give an informed consent.

Exclusion Criteria:

1. Presence of other macular disease such as epiretinal membrane, macular telangiectasia.
2. unclear media that no clear colour, red-free imaging and fundus fluorescein angiography, fundus autofluorescence imaging and OCT can performed.
3. Ocular or periocular infections.