Choroidal and Retinal Thickness Following Strabismus Surgery

Effect of Strabismus Surgery on Macular and Subfoveal Choroidal Thickness Assessed by Spectral Domain Optical Coherence Tomography

Prospective study, conducted at Tanta University Ophthalmology Department Measurement of macular and choroidal thickness before and after strabismus surgery

This is a prospective study and will be conducted in Tanta University hospital

• Duration: February 2020 till May 2020 and may be extended
• The study will include 30 patients who suffer from esotropia or exotropia, inferior oblique (IO) over-action with or without any other type of horizontal deviation

Pre-operative measurement of the macular and choroidal thickness by Enhanced Depth Imaging Optical Coherence Tomography (EDI-OCT).

Post-operative measurement: First day, first week, one month then 3 months.

Inclusion Criteria:

• No prior history of ocular surgery or trauma
• Normal ocular examination findings
• No medical or family history of retinal disease, glaucoma or diabetes mellitus.

Exclusion Criteria:

• Patients with orbital and/or craniofacial abnormalities
• Patients with sensory or restrictive strabismus or neurological disease
• Preoperative retinal or macular pathology
• Patient who is unable to cooperate to do OCT scanning