Related Experiment Video
Updated: Jul 12, 2026
11:20
Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases
Published on: June 14, 2021
Visual recovery after vitrectomy for macular hole using 25-gauge instruments
Hajime Shinoda1, Kei Shinoda, Shingo Satofuka
1Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan.
Acta Ophthalmologica
|August 30, 2007
Summary
25-gauge vitrectomy instruments offer improved visual recovery for macular hole surgery patients within the first nine months. This advancement is linked to reduced surgical duration and less intraocular fluid usage.
Area of Science:
- Ophthalmology
- Surgical Innovation
- Retinal Surgery
Background:
- Macular hole (MH) surgery aims to restore vision by closing a defect in the macula.
- The choice of surgical instrumentation can impact patient outcomes and surgical efficiency.
Purpose of the Study:
- To evaluate if 25-gauge vitrectomy instruments enhance postoperative visual recovery compared to traditional 20-gauge instruments in macular hole surgery.
Main Methods:
- Retrospective analysis of 46 macular hole surgeries performed by a single surgeon.
- Comparison of outcomes between eyes using 25-gauge (n=23) and 20-gauge (n=23) vitrectomy instruments.
- Assessment of visual acuity (VA), operating time, and intraocular fluid volume.
Main Results:
- 25-gauge vitrectomy group showed significantly better visual acuity at 1 week post-surgery, maintained up to 9 months.
- Operating time was significantly shorter (56 vs. 85 minutes) with 25-gauge instruments.
- Lower intraocular irrigating fluid volume (244 vs. 416 ml) was used in the 25-gauge group.
Conclusions:
- 25-gauge vitrectomy instruments facilitate superior early postoperative visual recovery in macular hole surgery.
- Shorter surgical time and reduced irrigating fluid volume likely contribute to the improved outcomes with 25-gauge instruments.
