Strabismus, commonly known as squint, is the condition in which the eyes are not aligned and look in different directions.

Nystagmus is the condition in which the eyes make repetitive, involuntary movements.

Esotropia, also known as convergent strabismus, is the most common type of strabismus, in which the eyes turn inward.

Congenital nystagmus is the most common type of nystagmus, which is present from birth.

Strabismus can be caused by muscle imbalance, refractive errors, neurological disorders, or a combination of these factors.

Nystagmus can be caused by genetic factors, central nervous system disorders, ocular disorders, or a combination of these factors.

Common symptoms of strabismus include double vision, headaches, eye strain, and difficulty focusing.

Common symptoms of nystagmus include involuntary eye movements, blurred vision, headaches, and difficulty focusing.

Strabismus is diagnosed through a comprehensive eye examination, which includes a refraction test, muscle balance test, and other tests.

Nystagmus is diagnosed through a comprehensive eye examination, neurological examination, imaging tests, and other tests.

Treatment options for strabismus may include eyeglasses or contact lenses, prism glasses, surgery, vision therapy, or a combination of these treatments.

Treatment options for nystagmus may include eyeglasses or contact lenses, prism glasses, surgery, medication, or a combination of these treatments.

Potential complications of strabismus include amblyopia, loss of depth perception, social and psychological problems, and increased risk of eye injuries.

Potential complications of nystagmus include reduced visual acuity, difficulty reading and writing, headaches, and increased risk of falls and accidents.

It is important to seek medical attention for strabismus or nystagmus as soon as possible, as early diagnosis and treatment can help prevent complications and improve outcomes.