LASIK Surgery: Candidacy, Procedure and Recovery
Understanding LASIK Vision Correction
LASIK (laser-assisted in situ keratomileusis) is a surgical procedure that uses a precise laser to reshape your cornea, the clear front surface of your eye. By changing the curvature of the cornea, LASIK corrects how light focuses on your retina, reducing or eliminating the need for glasses or contact lenses. The procedure addresses common refractive disorders including myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.
Research from the National Eye Institute and YouGov (2026) indicates that ~75% of all adults need some form of correction for their vision. For many of these individuals, LASIK offers a way to reduce daily dependence on eyeglasses or contact lenses. Understanding what to expect before, during, and after the procedure can help you make a well-informed decision about whether LASIK is appropriate for you.
Who Is a Good Candidate for LASIK
Most candidates are at least 18 years old, though many eye care providers prefer patients to be in their early to mid-twenties when the prescription is more likely to have stabilized. Your eyeglass or contact lens prescription should remain essentially unchanged for at least one year before surgery. Significant prescription fluctuations suggest your eye is still changing, which could affect long-term results.
LASIK involves creating a thin corneal flap and reshaping the underlying tissue, so adequate corneal thickness is necessary for safe treatment. During your consultation, our eye doctor performs detailed corneal mapping and pachymetry (thickness measurements) to confirm there is enough tissue to work with. Patients with abnormally thin or irregularly shaped corneas, such as those with keratoconus (a condition where the cornea thins and bulges into a cone shape), may not be suitable candidates and could benefit from alternative procedures.
LASIK can correct a broad range of refractive errors. The FDA-approved treatment range varies by laser platform, but LASIK generally addresses up to approximately -12 diopters of myopia, +6 diopters of hyperopia, and up to 6 diopters of astigmatism. Patients with prescriptions outside these ranges may need to explore other vision correction options with our optometrist.
Candidates should be free from active eye diseases, infections, and significant dry eye syndrome. Conditions such as uncontrolled glaucoma, cataracts, or severe dry eye may need to be treated before LASIK can be considered. Certain systemic conditions, including autoimmune disorders and uncontrolled diabetes, may also affect healing and candidacy. Our eye doctor reviews your complete medical and ocular history to determine whether LASIK is both safe and appropriate for you.
Some factors can make LASIK inadvisable. Your candidacy evaluation will screen for these and other potential concerns.
- Keratoconus or other corneal ectatic disorders
- Pregnancy or nursing, which can temporarily alter your prescription
- A history of herpes simplex or herpes zoster affecting the eye
- Severe dry eye disease that does not respond to treatment
- Thin corneas that lack adequate tissue for safe flap creation
How the LASIK Procedure Works
Before surgery, you will undergo a comprehensive eye exam that includes corneal topography (a detailed map of your cornea's surface), wavefront analysis, and pupil measurements. If you wear contact lenses, you will need to stop wearing them for a specified period before your evaluation, as contacts can temporarily alter the shape of your cornea. Soft lenses are typically removed at least two weeks before the preoperative exam, while rigid gas permeable lenses may require a longer discontinuation period.
On the day of surgery, numbing eye drops are applied so you remain comfortable throughout the procedure. A femtosecond laser (a device that produces extremely short pulses of light) is used to create a thin, precise flap on the surface of the cornea. This bladeless approach allows for highly accurate flap creation. The entire flap creation process takes only about 10 to 15 seconds per eye.
Once the flap is gently lifted, a computer-guided excimer laser removes microscopic amounts of corneal tissue to reshape the curvature of your eye. The excimer laser uses cool ultraviolet light, so there is no heat damage to surrounding tissue. The laser treatment itself typically takes less than a minute per eye, though this varies depending on the complexity of your prescription. You may notice a mild pressure sensation and hear a clicking sound during this step.
After the laser treatment is complete, the corneal flap is carefully repositioned over the treated area. The flap adheres naturally without the need for stitches, and healing begins almost right away. You will rest briefly in the office so our eye doctor can confirm the flap is properly positioned before you go home. Many patients notice improved vision within a few hours, though mild blurriness and light sensitivity are normal on the first day.
LASIK Recovery Timeline
You should plan to rest for the remainder of the day after your procedure. Mild tearing, a gritty sensation, and light sensitivity are common during the first several hours. You will receive protective eye shields to wear while sleeping on the first night to prevent accidental rubbing. Many patients experience a noticeable improvement in vision by the next morning, though results vary from person to person.
During the first week, your vision will continue to sharpen as the cornea heals. You will use prescribed antibiotic and anti-inflammatory eye drops to help prevent infection and reduce swelling. Preservative-free artificial tears are also recommended frequently throughout the day to keep the eyes well-lubricated. Avoid getting water directly in your eyes during showers and refrain from wearing eye makeup during this period.
By the second week, most patients feel comfortable returning to the majority of their daily routines. Exercise can typically be resumed gradually, starting with light activities after about a week and progressing to more vigorous workouts by three to four weeks. Swimming and hot tub use should be avoided for at least four weeks to reduce the risk of infection. Contact sports require protective eyewear for at least a month following surgery.
Visual acuity continues to refine over the first one to three months as the cornea stabilizes. Some patients experience mild fluctuations in vision, dryness, or glare during this period, which gradually resolve. Nighttime visual symptoms such as halos around lights are common early in recovery and tend to diminish as healing progresses. Our optometrist schedules follow-up appointments during this window to monitor your progress and address any concerns.
Caring for Your Eyes After LASIK
Following LASIK, you will be prescribed a regimen of medicated eye drops. These typically include an antibiotic drop to help prevent infection and a steroid or anti-inflammatory drop to control swelling. Preservative-free artificial tears should be used regularly for the first few months to manage dryness, which is the most common temporary side effect. Our eye doctor provides a clear drop schedule so you know when and how to use each medication.
Protecting your eyes from irritation and trauma is important during the healing period. Below are activities to limit or avoid entirely while you recover.
- Rubbing your eyes for at least several weeks after surgery
- Swimming, hot tubs, and saunas for at least four weeks
- Eye makeup and creams near the eyes for one to two weeks
- Dusty or smoky environments that can irritate healing tissue
- Contact sports without protective eyewear for at least one month
Temporary dry eye is the most frequently reported side effect after LASIK. The procedure can reduce corneal nerve sensitivity, which decreases your eye's natural reflex to produce tears. For most patients, this resolves within three to six months as the nerves regenerate. Using preservative-free artificial tears regularly and staying well-hydrated can help improve comfort during this healing phase. If you experience symptoms of digital eye strain while using screens during recovery, take frequent breaks to reduce additional dryness.
While LASIK produces long-lasting results, your eyes will continue to change naturally over time. Age-related changes such as presbyopia (the gradual loss of near focusing ability) typically begin in the mid-forties and are not prevented by LASIK. Wearing UV-protective sunglasses outdoors and attending routine eye exams help maintain your eye health for years after surgery. Our optometrist can advise you on a follow-up schedule tailored to your individual needs.
Frequently Asked Questions
Most patients use antibiotic eye drops for about one week and anti-inflammatory or steroid drops for two to four weeks following surgery. Preservative-free artificial tears are recommended for at least three months to address temporary dryness. Your specific drop schedule will be provided at your postoperative visit, and our eye doctor will adjust your regimen based on how your eyes are healing.
Many patients return to desk-based work within one to two days after LASIK, though individual recovery varies. If your job involves physical labor, dusty environments, or prolonged screen time, you may benefit from a few extra days of rest. Driving is typically permitted once your vision meets the legal standard, which for most people occurs within the first day or two.
While complications after LASIK are uncommon, you should contact our optometrist promptly if you experience a sudden decrease in vision, severe or worsening pain, increasing redness, or discharge from the eye. Persistent halos, significant glare, or a sensation that your vision is getting worse rather than improving also warrants evaluation. Early intervention can resolve most issues quickly.
Most patients achieve functional vision within the first 24 to 48 hours, but full stabilization typically takes one to three months. Minor fluctuations in clarity are normal during this period, especially in the first few weeks. Patients with higher prescriptions may experience a slightly longer stabilization window, and your final visual outcome is typically assessed at the three-month follow-up visit.
LASIK permanently reshapes your cornea, and the correction itself does not wear off over time. However, your eyes can still undergo natural changes as you age, such as presbyopia or shifts in prescription due to other factors. Some patients may need a minor enhancement procedure years later if significant changes occur. Regular eye exams with our optometrist help monitor your vision over the long term.
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