FREQUENTLY ASKED QUERIES (FAQs)
Refractive surgery is an alternative for those with refractive errors who do plan to wear glasses and contact lenses. The goal of refractive surgery is to eliminate the need for glasses. This is accomplished by the use of procedures like LASIK (Laser-Assisted In Situ Keratomileusis), PRK, or ICL LASIK. In order to rectify the refractive error, the cornea is reshaped throughout the operation. With a blade (microkeratome) or without a blade, the corneal flap is raised (femtosecond). After the flap is lifted, the cornea is reformed with the “Eximer Laser.” Using the same laser, PRK (photorefractive keratectomy) is carried out. A lens is placed atop the natural crystalline lens in an ICL (Implantable Collamer Lens).
LASIK is not for everyone. to determine its suitability Patients must first undergo a series of tests to determine their suitability for LASIK, which is only performed on those with myopia up to -10 dioptres, hyperopia up to 6 dioptres, and astigmatism up to 4 dioptres. However, other factors than the refractive defect also determine a person’s candidacy for LASIK. The cornea is thoroughly examined under a slit lamp to rule out any clinical indications of keratoconus, corneal scarring, or infiltrates. For LASIK, the cornea must have a pachymetry of greater than 490 microns. In order to rule out any evidence of subclinical keratoconus, a corneal topography is performed. Patients cannot be treated if any of the aforementioned requirements are not met.
Yes, we can do PRK in thin corneal instances with mild to moderate refractive defects.
Yes, there is now a procedure called ICL available for people who are not good candidates for LASIK or PRK. In this surgery, an intraocular lens is positioned over the natural crystalline lens of the eye. It simply refers to inserting a permanent contact lens into an eye.
The goal of LASIK surgery is to eliminate the need for glasses. At the time of operation, we entered the goal refraction as zero into the machine. But occasionally, especially in situations with greater refractive error that may be rectified without glasses, there may remain a residual error of 0.25 to 0.5 D.
The patient should give up using contact lenses for at least a week before having LASIK. In order to avoid any refractive surprises following the operation, this will enable accurate refraction, topography, and pachymetry. Preferably, the patient should have a hair bath the night before the actual procedure (patients will be recommended to avoid hair baths for 14 days after the surgery). Patients should refrain from using any perfume, deodorant, or eye makeup the day of the procedure. Patients will be given a prescription for dark glasses to wear for a few days following surgery.
Additionally, the patient will receive a few drops that must be sustained for a month following the procedure. In two days, the patient can return to their regular activities.
After two days, one can resume their regular activities.
LASIK is a generally risk-free procedure. Patients may notice glare and haloes in the initial stages of recovery. But these will be gone in a month.
FOR MEETING AND APPOINTMENT
Hospital’s Name: Iris Eye Care Hospital Varanasi
Address: Sigra – Mahmoorganj Rd, Opposite Park No 1, Sant Raghuvar Nagar, Sigra, Varanasi, Uttar Pradesh 221010
Contact Number: +91-8299611744; +91-9557840121
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Working Days & Hours: Mon – Sun 10:00AM – 04.00PM; Fri-Closed