The spelling of the word "LASEK" is guided by the IPA (International Phonetic Alphabet) transcription of its pronunciation. According to the IPA symbol, "LASEK" is represented by /ləˈsɛk/. The first syllable (lə) is pronounced with a schwa sound, followed by the stressed "s" (sɛ) sound in the second syllable. The "k" sound (k) completes the word. "LASEK" is a type of refractive surgery that corrects near-sightedness, far-sightedness, and astigmatism. It is important to use correct spelling and pronunciation to communicate effectively in the medical field.
LASEK, short for Laser-Assisted Sub-Epithelial Keratomileusis, is a surgical procedure used to correct vision problems, particularly nearsightedness, farsightedness, and astigmatism. LASEK falls under the umbrella of laser eye surgery techniques, similar to LASIK and PRK.
During a LASEK procedure, the eye surgeon uses a high-precision excimer laser to reshape the cornea, the clear front surface of the eye, allowing light to properly focus on the retina. The surgery involves creating a thin flap of the corneal epithelium, a protective layer, which is then raised to expose the underlying cornea. The surgeon then uses an excimer laser to remove microscopic layers of corneal tissue, reshaping it to achieve the desired correction. Finally, the epithelial flap is repositioned and secured using a special contact lens for a few days to promote healing.
LASEK offers several advantages over other laser eye surgery techniques. As the procedure only involves reshaping the cornea, it avoids the creation of a corneal flap, reducing the risk of complications associated with flap-related procedures. LASEK also allows for a quicker recovery time compared to PRK, as the epithelial flap serves as a natural protective barrier during the healing process.
However, it is important to note that not everyone is a suitable candidate for LASEK. Factors like corneal thickness, overall eye health, and specific vision prescription can determine eligibility for this surgery. Therefore, a comprehensive eye examination and consultation with an eye surgeon are essential to determine the most suitable treatment option.