The aim of this study is to determine the patient status through its follow up period and weather the eye alignment and eye control are as the same as the last physiotherapy treatment session or there is any deterioration of them.

This study is quantitative cohort observational study. The study depends on following a group of participants over a period of time ( 2 months after completed physiotherapy training program for 3 months to improve eye alignment and eye control post strabismus surgery ).

Through the study, there is observation to the changes in certain quantitative variables ( eye alignment and eye control ).

Inclusion Criteria:

• Patients are both males and females.
• Their age will range from (5-15) years.
• All Patients received physiotherapy training for improving eye alignment and eye control.
• Patients applied the physiotherapy rehabilitation program for 3 months with the physiotherapist.
• All Patients complete their physiotherapy training sessions for improving eye alignment and eye control
• All Patients have a history of strabismus surgery.
• Intermittent exotropia was the type of strabismus which included to the study.

Exclusion Criteria:

• - Patient who didn't receive physiotherapy training program for improving eye control and eye alignment post strabismus surgery.
• 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.
• Neurological disorders.
• Malignant conditions.
• Psychiatric illness, severe behavior or cognitive disorders.

The population from both groups will be selected from Research Institute of Ophthalmology and completed physiotherapy training program for 3 months to improve eye alignment and eye control post strabismus surgery.