Inclusion Criteria  Visual acuity in the better-seeing eye 20/50-20/400 Visual field at least 10 degrees Informed written consent to the processing of personal data  Exclusion Criteria:  Younger than 18 years of age Severe mental disorder (any type of dementia, under medication that affects mental function, etc.) or neurological problems that cause difficulty in communication End-stage diseases (chronic kidney disease, cancer, liver failure, etc.), which may affect their performance and their ability Severe mobility problems Active or rapidly progressive eye disease in an acute phase that can affect directly visual performance e.g. intravitreal hemorrhage Ocular diseases causing reversible visual impairment (e.g. cataract, uncorrected refractive errors etc.) Not receiving topical or systemic treatment with known toxic effects on the lens, retina or optic nerve (e.g. ethambutol, chloroquine or hydroxychloroquine, etc.)