MP3 (Microperimeter 3) Reproducibility in Healthy Subjects and Macular Patients

Inclusion criteria for healthy subjects * Men and Women aged 18 and older * Written informed consent * Normal findings in the medical history unless the investigator considers an abnormality to be clinically irrelevant * Normal ophthalmological findings unless the investigator considers an abnormality to be clinically irrelevant Inclusion criteria for macular disease patients * Men and Women aged 18 and older * Written informed consent * Presence of a macular disease (such as dry or exudative age-related macular degeneration, diabetic maculopathy, epiretinal membrane) Any of the following will exclude a subject from the study: * Any opacities (corneal scar, dense cataract) which interferes with the study relevant measurements * Visual acuity \< 0.1 (Snellen)