Replicating the remnant iris using an optometry trial frame: A clinical technique
Josephine Flora A1, Premkumar S1, Prabhu K2
1Senior Lecturer, Department of Prosthodontics, Indira Gandhi Institute of Dental Sciences, Sri Balaji Vidyapeeth, Pondicherry, India.
The Journal of Prosthetic Dentistry
|February 28, 2026
Summary
A new method uses an optometry trial frame for precise iris alignment in orbital prostheses. This technique improves accuracy and efficiency for custom ocular prosthesis fabrication, benefiting patients needing orbital rehabilitation.
Area of Science:
- Ophthalmology
- Prosthodontics
- Medical Device Design
Background:
- Anophthalmia requires orbital rehabilitation for psychological and cosmetic needs.
- Traditional ocular prosthesis methods suffer from parallax and facial asymmetry errors.
- Existing treatments can be costly and inaccessible for some patients.
Purpose of the Study:
- To introduce a novel, cost-effective technique for precise ocular prosthesis fabrication.
- To improve the accuracy and efficiency of custom orbital prosthesis positioning.
- To enhance patient self-confidence and esthetics through improved prosthesis fit.
Main Methods:
- Utilizing an optometry trial frame for accurate remnant iris replication.
- Employing facial midline landmarks for precise iris alignment.
- Transferring measurements from the healthy eye to the prosthesis wax pattern.
Main Results:
- Achieved accurate and symmetrical iris positioning in custom orbital prostheses.
- Demonstrated a simplified and efficient clinical workflow for prosthesis fabrication.
- Successfully restored esthetics and self-confidence in patients with anophthalmia.
Conclusions:
- The novel technique offers a precise, accessible, and cost-effective solution for orbital prosthesis fabrication.
- This method addresses limitations of traditional techniques, particularly for patients with limited resources.
- Improved ocular prosthesis fabrication enhances patient quality of life and psychological well-being.
