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Corneal Topography
Corneal topography is a diagnostic procedure used to map the surface of the cornea, the transparent, dome-shaped tissue at the front of the eye. This technique is essential for assessing the shape, curvature, and surface abnormalities of the cornea, providing valuable insights for diagnosing and managing various eye conditions such as astigmatism, keratoconus, and corneal irregularities following surgery or injury. Corneal topography utilizes advanced imaging technology to create a detailed, color-coded map, highlighting areas of steepness and flatness across the cornea. This data helps ophthalmologists plan treatments, including corrective lenses, refractive surgeries like LASIK, and corneal transplants.
At leading eye care centers, such as those specializing in corneal health, corneal topography is frequently used to evaluate candidates for laser eye surgeries or to monitor the progression of corneal diseases. During the procedure, patients are typically asked to sit in front of a machine that projects a series of light patterns onto the eye. The device captures images of the cornea’s reflection and processes the data into a topographic map. The procedure is non-invasive and generally well-tolerated.
Medical Equipment Needed for Corneal Topography
- Corneal Topographer Device (e.g., Pentacam, Orbscan)
- Slit Lamp (for detailed examination)
- Topographic Software (for analysis)
- Diagnostic Contact Lenses (if necessary for irregular corneas)
- Refraction Tools (for visual acuity assessment)
- Pupil Dilation Drops (in some cases for better visualization)
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