| Name | Info | Provider | Link |
|---|---|---|---|
| Vision Impairment and Blindness | free resource | MedlinePlus Health Information | https://medlineplus.gov/visionimpairmentandblindness.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32416605/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/32416605 | |
| subscription/membership/fee required | Silverchair Information Systems | https://iovs.arvojournals.org/article.aspx?doi=10.1167/iovs.61.5.24 |