Vitreous function and intervention of it with vitrectomy and other modalities

Area of Science:

• Ophthalmology
• Ocular Physiology
• Vitreoretinal Surgery

Background:

• The vitreous body is crucial for ocular development, refraction, and metabolic functions.
• Vitreous metabolic abnormalities can arise from aging, refractive errors, and systemic diseases.
• Vitreous injections and vitrectomies have become more common with surgical advancements.

Purpose of the Study:

• To review the role of the vitreous body in ocular health and disease.
• To examine the impact of vitrectomy on intraocular oxygen tension.
• To discuss potential risks associated with vitreous interventions.

Main Methods:

• Literature review of vitreous body function and vitrectomy outcomes.
• Analysis of oxygen tension changes in the vitreous post-vitrectomy.
• Comparison of vitrectomy with alternative procedures like scleral buckling.

Main Results:

• Vitrectomy can alter the normal oxygen tension gradient within the eye.
• Elevated oxygen tension around the lens and trabecular meshwork post-vitrectomy may increase risks.
• Scleral buckling offers advantages in specific cases compared to vitrectomy.

Conclusions:

• The vitreous plays a vital protective role, maintaining a critical oxygen gradient.
• Vitrectomy-induced changes in oxygen tension may contribute to postoperative cataracts and glaucoma.
• Prudent consideration and judicious application of vitreous interventions are recommended.