The aim of this study is to determine the effect of physical activities on balance in patient with amblyopia after strabismus surgery. Patients with strabismus have more difficulty in maintaining postural control in the presence of misleading signals. Through this study the patients will apply physical therapy sessions to improve balance for strabismic amblyopic patient post-surgery.

• Patients will be informed about measurement and treatment procedure, also about the effect of physical activity on improving balance post strabismus surgery.
• Patients will be asked to follow physician instructions.
• Patients will be asked to avoid participation in any rehabilitation program prior to the study which may affect the result of the study.
• Measurement procedures will be applied for each patient.
• The therapeutic group will receive 2 sessions per week for 12 weeks. The duration of each session is 45 min.
• They will start the treatment program after 2 months of the surgery.

Inclusion Criteria:

• Patients received strabismus operation.
• Patients are suffering from balance problem due to strabismus
• Patients are suffering from strabismus amblyopia
• They will be selected from Outpatient Clinic of Research Institute of Ophthalmology.
• Patients will begin the training program after 2 months of operation.
• Patient with intermittent exotropia

Exclusion Criteria:

• - Patients with a diagnosis of vestibular, neurological and psychiatric diseases
• Moderate and severe amblyopia,
• Any disease that can cause imbalance syndrome or limitation of movement
• A history of falling without a cause in the last 6 months and
• Using drugs affecting the central nervous system
• Patient who didn't complete the physiotherapy training program for 3 months.
• Muscular disorders that will impair performance during training.
• Any organic lesion in the eye.
• Malignant conditions.
• Children who can't understand the therapist's instructions and orders
• Amblyopia which is not related to strabismus condition