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LASIK surgery is a clinical procedure for correcting refractive errors using laser technology. This procedure helps patients reduce their reliance on prescription glasses, and the entire process begins with a comprehensive consultation. Understanding the medical steps involved in this initial assessment helps patients gather the necessary documentation, preparing them for their consultation. Here is more information on LASIK:
What Is LASIK Surgery?
LASIK stands for laser in-situ keratomileusis. LASIK surgery reshapes the cornea, and it aims to correct how light reaches the retina at the back of the eye. Refractive errors occur when the eye cannot focus light accurately, causing blurred vision at various distances. The procedure is an outpatient surgery, meaning patients return home on the same day.
How Does It Work?
The surgeon creates a thin, microscopic flap on the corneal surface using a femtosecond laser, and they fold it back to access the underlying corneal tissue for reshaping. An excimer laser removes microscopic amounts of tissue, thereby changing the curvature of the cornea to match the patient’s specific prescription. After the laser completes the removal of the targeted tissue, the surgeon folds the flap back into its original position. The reshaped cornea then focuses light directly onto the retina.
What Issues Does It Address?
LASIK surgery is effective in correcting refractive errors that impact vision. These refractive errors include:
- Myopia: Also known as nearsightedness, this condition causes distant objects to appear blurry due to an overly steep cornea. The laser corrects this by flattening the cornea, adjusting the focal point of light.
- Hyperopia: Often referred to as farsightedness, this error occurs when the cornea is too flat. The laser steepens the cornea to enhance the clarity of near vision.
- Astigmatism: This condition results from an irregularly shaped cornea. The surgical procedure smooths the corneal surface, creating a more symmetrical shape for improved focus.
By addressing these specific corneal irregularities, the procedure reshapes the cornea to help light focus correctly on the retina.
What Does a Consultation Involve?
A LASIK consultation includes a series of diagnostic tests to evaluate the physical characteristics of the eyes. Technicians may map the corneal surface using corneal topography, which identifies irregularities in the eye’s shape. The medical team will verify the patient’s current optical prescription, because their vision must remain stable for at least one year before surgery. The doctor reviews these measurements to confirm they have sufficient corneal thickness for the flap creation.
An ophthalmologist examines the patient’s general eye health to rule out conditions such as severe dry eye or glaucoma. They review medical history, and they discuss any medications that may interfere with the healing process. The doctor uses this data to make a final clinical recommendation regarding candidacy, enabling a safe and efficient process.
How Can You Prepare?
Patients stop wearing contact lenses for a specific period before their consultation. Soft contact lenses alter the cornea’s natural curvature, leading to inaccurate diagnostic measurements during the exam. Doctors may require patients to switch to glasses for a few weeks prior to the appointment. Gather complete medical records and a list of current medications, as the medical staff needs to know about any autoimmune conditions or previous eye injuries that may affect the surgical outcomes.
Prepare for Your Consultation Now
Thorough preparation may yield accurate diagnostic results during your initial LASIK evaluation. By discontinuing contact lens use and gathering your medical history, you give the medical team the data needed for a safe assessment. Contact a clinic to book your appointment, and the staff will provide you with the specific pre-consultation guidelines.
