Conditions Leaflets and Videos
Paediatric Eye Information
The International Glaucoma Association is a respected charity with a UK HQ: www.glaucoma-association.com
The macular disease society: www.maculardisease.org
The Royal College of Ophthalmologists: https://www.rcophth.ac.uk/patients/. They have some booklets about the most common conditions you can download.
NHS condition leaflets: www.nhs.uk/Conditions/Pages