Prolonged-wear contact lenses in aphakia

Area of Science:

• Ophthalmology
• Biomedical Engineering

Background:

• Aphakic patients often require optical correction, with contact lenses being a viable option.
• Traditional contact lenses present challenges for prolonged wear in aphakic eyes.

Purpose of the Study:

• To evaluate the suitability and safety of extended wear contact lenses for aphakic patients.
• To assess the performance of newer contact lens designs for prolonged use.

Main Methods:

• Review of current contact lens technologies for aphakia.
• Monitoring of patients using extended wear lenses under FDA supervision.
• Long-term follow-up studies to assess safety and efficacy.

Main Results:

• Existing contact lenses are not ideal for prolonged wear in aphakic eyes and require vigilant monitoring.
• Newer lenses specifically designed for extended wear demonstrate improved suitability.
• Ongoing FDA-supervised trials are evaluating the long-term safety and effectiveness of these devices.

Conclusions:

• Careful patient selection and monitoring are crucial for successful prolonged contact lens wear in aphakia.
• Newer extended wear contact lenses show potential but require further rigorous evaluation.
• FDA guidelines mandate a minimum two-year follow-up for determining the safety and efficacy of lenses for aphakic extended wear.