Certified Ophthalmic Medical Technologist (COMT) Practice Exam

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How many individual measurements does the IOL Master capture for keratometry readings?

Three
Four
Five
Six

The correct answer is: Five

The IOL Master captures five individual measurements for keratometry readings. This device is designed to provide precise measurements critical for calculating intraocular lens power in cataract surgery. The five readings typically include keratometric values that reflect the curvature of the cornea, which is essential in evaluating the eye's refractive status and ensuring optimal visual outcomes post-surgery. These measurements are averaged to provide a single keratometric value, allowing for enhanced accuracy in lens power determination. This precision is crucial because the curvature of the cornea plays a significant role in how light is focused on the retina. Other options like three, four, or six measurements do not align with the IOL Master's standard operational capabilities in capturing the detailed keratometric data necessary for effective cataract surgery planning.