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Photoscreening for amblyogenic factors
W L Ottar1, W E Scott, S I Holgado
1Department of Ophthalmology, University of Iowa, USA.
Insights
The Medical Technology Inc (MTI) Photoscreener accurately detects amblyogenic factors in young children. This reliable device shows promise for mass vision screening in preverbal populations.
Area of Science:
- Ophthalmology
- Pediatric Optometry
- Medical Device Technology
Background:
- The Medical Technology Inc (MTI) Photoscreener is a novel eccentric photoscreener.
- It is marketed for detecting amblyogenic factors in preverbal children.
Purpose of the Study:
- To evaluate the accuracy of the MTI Photoscreener.
- To assess its performance in young, healthy children.
Main Methods:
- 1003 healthy children aged 6–59 months underwent photoscreening.
- Results from 949 children were compared to comprehensive ophthalmologic exams with cycloplegia.
Main Results:
- Sensitivity: 81.8%, Specificity: 90.6%
- Overall agreement: 88.8%
- All strabismus and media opacities were detected.
Conclusions:
- The MTI Photoscreener is an accurate and reliable tool for detecting amblyogenic factors in young children.
- The device shows potential as a valuable mass-screening tool.
Background:
The Medical Technology Inc (MTI) Photoscreener is a new eccentric photoscreener that is being marketed as a device for the detection of amblyogenic factors in preverbal children. The purpose of this study was to evaluate the accuracy of the MTI Photoscreener in the target population of young, healthy children.
Methods:
One thousand and three healthy children between the age of 6 months and 59 months were photoscreened with the MTI Photoscreener. Nine hundred and forty nine children were included in the study and their results were compared with a complete ophthalmologic examination with cycloplegia.
Results:
The sensitivity of the MTI Photoscreener was determined to be 81.8% with a specificity of 90.6%. The overall agreement rate was 88.8%. The positive and negative predictive values were 68.9% and 95.2%, respectively. All cases of strabismus and media opacities were detected.
Conclusion:
The MTI Photoscreener is an accurate and reliable device designed to detect amblyogenic factors in young children. The camera offers promise as a useful mass-screening tool.