Evaluation of Enhancements in Trabeculectomy Technique Using a Self-Regulating Valve for Glaucoma Treatment
Keywords:
Novel trabeculectomy technique, Glaucoma, Inverted scleral flap, Self-regulating valve, Intraocular pressure (IOP)Abstract
This study aimed to evaluate an innovative trabeculectomy technique that utilizes an inverted scleral flap functioning as a self-regulating valve for the treatment of glaucoma. The study included 50 patients (40% male, 60% female) with a mean age of 62.7 years. This technique was developed to overcome the challenges associated with traditional trabeculectomy, such as scar formation, canal blockage, and infections, which lead to failure rates of 5-10% within the first year. The innovative valve operates as a one-way mechanism, allowing aqueous humor outflow when intraocular pressure (IOP) is elevated and automatically closing under low IOP, thereby reducing the risks of hypotony and infection.
Preoperative evaluations included measuring visual acuity, assessing the anterior chamber using the Shaffer and Van Herick classifications, and conducting a fundus examination. Postoperative results demonstrated statistically significant improvements in the visual field (notable enhancement in Mean Deviation [MD] and Pattern Standard Deviation [PSD], p<0.05), as well as a reduction in the need for medications from an average of three drops before surgery to one drop after surgery.
The results indicate that the use of the self-regulating valve represents a significant advancement in glaucoma surgery, demonstrating effectiveness in reducing intraocular pressure while minimizing common complications. However, further studies with larger sample sizes and longer follow-up durations are necessary to determine the long-term benefits and the impact of this technique on patients' quality of life.
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