American Association for Pediatric Ophthalmology and Strabismus - Good description of adult strabismus, including  the causes, symptoms, and treatments. Has before and after surgery pictures. Gives links to strabismus specialists.

Optometrists' Network - Describes the effects, various forms, symptoms, diagnosis, and causes of strabismus.  Includes information  on surgery and other treatments.

Ocular Times - Explains the development of normal vision in children and the symptoms, causes, and treatment of various forms of strabismus.  Includes pictures.

American Academy of Family Physicians - Overview of its signs, symptoms and treatment.

Moorfields Eye Hospital - Reviews its forms,  causes, signs, and treatment.

Canadian Ophthalmological Society - Illustrates its types, signs, risk factors, effect on sight, and treatment.

EyeMDLink.com - Describes effects, signs and symptoms, diagnosis, and treatment of its various forms. Includes links to related procedures, tests, and doctors who treat it.