Blindness / Vision Loss:

Royal National Institute for the Blind (RNIB) - National charity for the blind

Information on Eye disorders:

Eye Care Trust - A very useful site for information about eye disorders
RNIB - Another good source of information on eye disorders. This link takes you to the menu for common eye conditions
Diabetes UK - Essential viewing for diabetics and people caring for diabetics

Professional Pages:

General Optical Council - Regulatory body for Optometry
Optical Consumer Complaints Service (OCCS) - An independent arbiter if you are unhappy with the optical service provided by an optical practice.
Tameside & Glossop Primary Care Trust - Our local NHS trust covering GP, Dental, Pharmacy and Optical services.