Development of an Eye Model Using 3D-Printing for Correlating Measured Intraocular Pressure with Actual Internal Pressure
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Bibliographic record
Abstract
PURPOSE: The aim of this study was to develop a 3D-printed eye model to simulate measuring intraocular pressure (IOP) as a training device, and to assess the correlation between measured IOP using common clinical techniques and actual internal pressure. METHODS: The IOP eye model was designed using CAD software and printed with a resin stereolithography (SLA) 3D-printer (Formlabs 3B, Formlabs Inc., MA, USA). Two clinical instruments, Tono-pen (Tono-Pen AVIA, Reichert Ophthalmic Instruments, USA), and Perkins hand-held tonometer (Clement Clarke Perkins Tonometer Mk2, Vision Equipment Inc., USA) were used for IOP measurements of the model. The pressure within the model was adjusted between 7 to 55 mmHg at 5 mmHg increments, and the IOP values of the tonometry were correlated to the internal pressure displayed on the gauge. RESULTS: < 0.0001). However, aligning the mires and measuring IOP accurately with the Perkins device was challenging. CONCLUSION: The 3D-printed eye model was able to strongly correlate IOP readings taken with a Tono-pen with internal pressure measured by a pressure gauge. The internal pressure of this model can be regulated and is envisioned as a potential model for practicing tonometry at different ranges of pressure.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it