The Repeatability and Agreement of Ocular Parameters Measured with the MYAH and Myopia Master Devices between Expert and Non-Expert Practitioners
Abstract
:1. Introduction
2. Materials and Methods
2.1. Subjects
2.2. Devices
2.3. Measurement Procedure
2.4. Statistical Analyses
3. Results
3.1. Patient Demographics
3.2. Intraobserver Repeatability
3.3. Interdevice Agreement (MYAH vs. Myopia Master)
3.4. Interobserver Agreement (between Expert and Non-Expert)
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Mean ± SD | Sw | P | r | CV (%) | ICC (95% CI) | p Value * | ||
---|---|---|---|---|---|---|---|---|
MYAH (TOPCON) | ||||||||
Non-expert observer | AL (mm) | 24.31 ± 1.19 | 0.01 | 0.02 | 0.03 | 0.05 | 1.00 (1.00–1.00) | 0.52 |
K1 (mm) | 7.85 ± 0.33 | 0.02 | 0.03 | 0.04 | 0.20 | 0.999 (0.998–0.999) | 0.70 | |
K2 (mm) | 7.70 ± 0.33 | 0.02 | 0.03 | 0.04 | 0.20 | 0.999 (0.998–0.999) | 0.32 | |
WTW (mm) | 12.09 ± 0.41 | 0.06 | 0.12 | 0.18 | 0.52 | 0.981 (0.968–0.989) | 0.93 | |
Expert observer | AL (mm) | 24.31 ± 1.19 | 0.01 | 0.02 | 0.03 | 0.05 | 1.00 (1.00–1.00) | 0.11 |
K1 (mm) | 7.86 ± 0.33 | 0.01 | 0.02 | 0.03 | 0.14 | 0.999 (0.999–1.00) | 0.54 | |
K2 (mm) | 7.70 ± 0.33 | 0.01 | 0.03 | 0.04 | 0.19 | 0.999 (0.999–0.999) | 0.87 | |
WTW (mm) | 12.08 ± 0.43 | 0.06 | 0.12 | 0.16 | 0.49 | 0.987 (0.978–0.992) | 0.67 | |
MYOPIA MASTER (OCULUS) | ||||||||
Non-expert observer | AL (mm) | 24.31 ± 1.19 | 0.01 | 0.03 | 0.04 | 0.06 | 1.00 (1.00–1.00) | 0.94 |
K1 (mm) | 7.88 ± 0.33 | 0.01 | 0.02 | 0.03 | 0.12 | 1.00 (0.999–1.00) | 0.22 | |
K2 (mm) | 7.76 ± 0.34 | 0.02 | 0.03 | 0.04 | 0.19 | 0.999 (0.998–0.999) | 0.19 | |
WTW (mm) | 11.82 ± 0.42 | 0.05 | 0.11 | 0.15 | 0.46 | 0.984 (0.973–0.991) | 0.18 | |
Expert observer | AL (mm) | 24.31 ± 1.19 | 0.01 | 0.03 | 0.04 | 0.06 | 1.00 (1.00–1.00) | 0.83 |
K1 (mm) | 7.88 ± 0.33 | 0.01 | 0.02 | 0.03 | 0.12 | 1.00 (0.999–1.00) | 0.23 | |
K2 (mm) | 7.76 ± 0.34 | 0.01 | 0.03 | 0.04 | 0.19 | 0.999 (0.998–0.999) | 0.18 | |
WTW (mm) | 11.83 ± 0.43 | 0.05 | 0.10 | 0.14 | 0.43 | 0.991 (0.985–0.995) | 0.20 |
Diff Mean ± SD | LoA 95% | ICC (95% CI) | p Value * | ||
---|---|---|---|---|---|
NON-EXPERT OBSERVER | |||||
MYAH- Myopia Master | AL (mm) | 0.00 ± 0.02 | −0.04 to 0.05 | 1.00 (1.00–1.00) | 0.19 |
K1 (mm) | −0.03 ± 0.02 | −0.07 to 0.01 | 0.999 (0.998–1.00) | <0.01 | |
K2 (mm) | −0.06 ± 0.03 | −0.12 to 0.00 | 0.998 (0.997–0.999) | <0.01 | |
WTW (mm) | 0.28 ± 0.13 | 0.02 to 0.54 | 0.974 (0.951–0.986) | <0.01 | |
EXPERT OBSERVER | |||||
MYAH- Myopia Master | AL (mm) | 0.00 ± 0.01 | −0.02 to 0.03 | 1.00 (1.00–1.00) | 0.10 |
K1 (mm) | −0.03 ± 0.02 | −0.06 to 0.01 | 0.999 (0.999–1.00) | <0.01 | |
K2 (mm) | −0.06 ± 0.03 | −0.11 to 0.00 | 0.998 (0.997–0.999) | <0.01 | |
WTW (mm) | 0.25 ± 0.13 | −0.01 to 0.51 | 0.975 (0.954–0.987) | <0.01 |
Diff Mean ± SD | LoA 95% | ICC (95% CI) | p Value * | ||
---|---|---|---|---|---|
MYAH (TOPCON) | |||||
Non-expert vs. Expert | AL (mm) | 0.00 ± 0.02 | −0.02 to 0.05 | 1.00 (1.00–1.00) | 0.67 |
K1 (mm) | −0.01 ± 0.01 | −0.03 to 0.02 | 1.00 (0.999–1.00) | 0.12 | |
K2 (mm) | 0.00 ± 0.02 | −0.03 to 0.03 | 0.999 (0.999–1.00) | 0.67 | |
WTW (mm) | 0.01 ± 0.14 | −0.26 to 0.28 | 0.973 (0.950–0.985) | 0.60 | |
MYOPIA MASTER (OCULUS) | |||||
Non-expert vs. Expert | AL (mm) | 0.00 ± 0.02 | −0.05 to 0.05 | 1.00 (1.00–1.00) | 0.95 |
K1 (mm) | 0.00 ± 0.01 | −0.03 to 0.03 | 1.00 (0.999–1.00) | 0.68 | |
K2 (mm) | 0.00 ± 0.01 | −0.02 to 0.03 | 1.00 (0.999–1.00) | 0.13 | |
WTW (mm) | −0.01 ± 0.08 | −0.18 to 0.15 | 0.991 (0.982–0.995) | 0.27 |
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Ortiz-Toquero, S.; Sanchez, I.; Gurrea, C.; Recio, A.; Balsa, D.; Martin, R. The Repeatability and Agreement of Ocular Parameters Measured with the MYAH and Myopia Master Devices between Expert and Non-Expert Practitioners. Life 2024, 14, 407. https://doi.org/10.3390/life14030407
Ortiz-Toquero S, Sanchez I, Gurrea C, Recio A, Balsa D, Martin R. The Repeatability and Agreement of Ocular Parameters Measured with the MYAH and Myopia Master Devices between Expert and Non-Expert Practitioners. Life. 2024; 14(3):407. https://doi.org/10.3390/life14030407
Chicago/Turabian StyleOrtiz-Toquero, Sara, Irene Sanchez, Carmen Gurrea, Alba Recio, David Balsa, and Raul Martin. 2024. "The Repeatability and Agreement of Ocular Parameters Measured with the MYAH and Myopia Master Devices between Expert and Non-Expert Practitioners" Life 14, no. 3: 407. https://doi.org/10.3390/life14030407