OPHTHALMOMETRY Meaning and
Definition
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Ophthalmometry is a medical technique used to measure various parameters of the eye, particularly the cornea. It involves the use of specialized instruments called ophthalmometers or keratometers to obtain accurate and precise measurements.
One of the primary uses of ophthalmometry is in determining the shape and curvature of the cornea, which is the transparent, dome-shaped tissue that covers the front of the eye. By calculating the corneal curvature, ophthalmometry helps to diagnose and monitor various eye conditions, such as astigmatism, keratoconus, and corneal irregularities.
During an ophthalmometry procedure, the patient's eye is typically numbed with eye drops to minimize discomfort. The ophthalmometer is then placed in front of the eye, and the patient is asked to focus on a specific target. The instrument emits light, and the reflections from the cornea are measured and analyzed to determine its curvature.
The measurements obtained through ophthalmometry are crucial for the fitting of contact lenses, as they aid in selecting the correct lens size and design. Ophthalmometry is also valuable in surgical procedures involving the cornea, including corneal transplantation and refractive surgeries such as LASIK.
Overall, ophthalmometry plays a critical role in the diagnosis, treatment, and management of various eye disorders. Through accurate measurements of the cornea, this technique provides valuable insights into the health and visual characteristics of the eye, helping healthcare professionals deliver appropriate care and optimize visual outcomes.
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Measurement of the visual acuity and refractive power of the eyes.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for OPHTHALMOMETRY
- iphthalmometry
- kphthalmometry
- lphthalmometry
- pphthalmometry
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- 9phthalmometry
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- ophyhalmometry
Etymology of OPHTHALMOMETRY
The word "ophthalmometry" has its origin in the Greek language. It is derived from two Greek words: "ophthalmos" (ὀφθαλμός), meaning "eye", and "metron" (μέτρον), meaning "measure". So, the word "ophthalmometry" essentially means "eye measurement" or the "measurement of the eye".
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