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Updated: May 7, 2026
Customizing a Cryolite Glass Prosthetic Eye
Published on: October 31, 2019
Three-dimensional orientation of iris in an ocular prosthesis using a customized scale
Lokendra Gupta1, I N Aparna, B Dhanasekar
1Assistant Professor, Department of Prosthodontics and Crown & Bridge, Manipal College of Dental Sciences, Manipal, India.
A simplified method using a customized scale accurately orients iris disks in ocular prostheses. This technique improves prosthesis fit and patient well-being.
Area of Science:
- Ophthalmology
- Prosthetics
Background:
- Accurate iris disk orientation is crucial for ocular prosthesis success.
- Existing methods for iris disk orientation can be complex.
Observation:
- A novel, simplified method utilizes a customized scale for precise iris disk alignment.
- Measurements of the natural iris (mediolateral, superoinferior, anteroposterior) are taken using the scale.
- These measurements are transferred to a scleral wax pattern for fabrication.
Findings:
- The customized scale effectively guided the orientation of the iris disk.
- Measurements were accurately transferred to the definitive ocular prosthesis.
- This method facilitated successful fabrication and fitting of the prosthesis.
Implications:
- This technique offers a straightforward approach to improving ocular prosthesis aesthetics and function.
- Enhanced prosthesis fit can positively impact patient's social and psychological well-being.
- The method provides a reproducible tool for ophthalmic technicians and prosthetists.
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