Comparison of Two Intraocular Gas Injection Techniques in Macula Hole Surgery

Comparison of Two Intraocular Gas Injection Techniques in Macula Hole Surgery

To undertake a prospective randomized clinical trial of vitrectomy and gas tamponade to treat macular hole, utilizing a small amount of undiluted C3F8 (perfluoropropane) versus a large amount of diluted C3F8 versus a small amount of undiluted SF6 (sulfur hexafluoride) versus a large amount of diluted SF6.

Inclusion Criteria:

• pseudophakia
• without previous vitreoretinal surgery
• diagnosed with a full-thickness macula hole on the optical coherence tomography exam.
• duration of symptoms less than 6 months
• inform consent

Exclusion Criteria:

• ocular trauma
• allergy to any of the products used in the study,
• need to travel by plane in the first 60 postoperative days
• myopia over 6 diopters or axial diameter over 26 mm
• retinal dystrophies
• retinal detachment
• abnormal eye shape
• glaucoma
• diabetic retinopathy or other eye comorbidities.