Persistent outer retinal fluid following non-posturing surgery for idiopathic macular hole

Area of Science:

• Ophthalmology
• Retinal Surgery
• Anatomical Imaging

Background:

• Macular holes require surgical repair, often involving vitrectomy and gas tamponade.
• Postoperative positioning is a traditional method to aid macular hole closure.
• The development of outer foveal defects (OFD) after surgery needs further investigation.

Purpose of the Study:

• To evaluate the anatomical and visual outcomes of patients with outer foveal defects (OFD) after macular hole surgery.
• To determine the incidence and risk factors associated with OFD development.
• To assess the impact of OFD on visual recovery in non-posturing patients.

Main Methods:

• Prospective case series of 58 patients undergoing macular hole surgery.
• Optical coherence tomography (OCT) used to detect and measure OFD at 2 weeks postoperatively.
• Monthly OCT follow-up until OFD resolution.

Main Results:

• An outer foveal defect (OFD) was observed in 46.6% of eyes at 2 weeks.
• OFD presence was significantly associated with larger preoperative macular hole base diameters.
• All OFDs resolved spontaneously, with no adverse effect on final visual acuity; visual recovery was only slightly delayed.

Conclusions:

• This study is the first to report outcomes of OFDs in macular hole surgery patients not requiring postoperative posturing.
• Outer foveal defects are a frequent occurrence following non-posturing macular hole surgery.
• OFDs are common but do not adversely impact final visual outcomes.