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Home » Your Eye Health » Vision Surgery » Corrective Eye Surgery Basics

Corrective Eye Surgery Basics

In recent years there have been tremendous advances in the field of vision correcting eye surgery which is also known as refractive or laser surgery. Corrective eye surgery offers patients clear vision without the use of glasses and contact lenses. There are a number of types of refractive surgeries that are able to correct different vision problems, so if you are considering surgery here are some of the options you should know about.

LASIK

LASIK (laser-assisted in situ keratomileusis) surgery is perhaps the most well-known refractive surgery today. LASIK can help patients with myopia (nearsightedness), hyperopia (farsightedness) and astigmatism. During the procedure, the doctor makes a flap in the outer layer of the corner to reach the underlying tissue and then uses a laser to reshape the tissue which allows the cornea to then focus light properly. The procedure is usually painless and vision is usually clear within a few hours.

Recent advances in the field have developed subcategories of LASIK surgery such as Bladeless LASIK, which uses a laser rather than a mechanical tool to make the initial flap or Wavefront (custom) LASIK which uses computer mapping to guide the reshaping of the cornea and is able to create a much more precise visual correction for very subtle optical imperfections. There is also a procedure called Epi-LASIK in which following the procedure, the doctor applies a soft contact lens to protect the surgical area, holding the flap in place while it heals.

PRK

PRK (photorefractive keratectomy) also uses a laser to correct mild to moderate myopia, hyperopia and astigmatism. PRK was a precursor to LASIK which eliminated many of the complications of prior surgeries such as glare, seeing halos around lights, blurred vision and regression of vision. Unlike LASIK, the procedure only reshapes the surface of the cornea and not the underlying tissue. Consequently, there is often some discomfort for a couple of weeks until the outer layer of the cornea heals. Additionally, the patient may experience blurred vision during this period of healing. PRK does offer an advantage over LASIK in that there is less risk of certain complications. Wavefront technology is also available for PRK surgeries.

Due to the increased comfort of LASIK there was a period that PRK saw a decline. Recent studies show however that LASIK and PRK have similar long-term success for improved visual acuity and with the assistance of newly developed effective pain medications, PRK has become more popular again as an option.

LASEK

In LASEK or laser-assisted sub-epithelial keratomileusis, the doctor creates a flap smaller but similar but to LASIK, and then uses an alcohol solution to loosen the tissue around the cornea which is pushed aside, and then a laser is used to reshape the cornea itself. In an Epi-LASEK procedure, the doctor may apply a soft contact lens to hold the flap in place to assist in reattaching to the cornea as the eye heals. Patients that undergo LASEK generally experience less discomfort and quicker vision recovery than PRK patients. LASEK may be preferred over LASIK as a safer option for patients with a thin cornea.

Cataract Surgery

Cataract Surgery is a very common refractive surgery that removes the clouded natural lens of the eye and replaces it with an artificial lens called an IOL (intraocular lens). Many patients these days will receive a lens that also corrects any refractive error they have such as nearsightedness, farsightedness or presbyopia.

RLE

RLE or refractive lens exchange is a non-laser procedure the replaces the natural lens of the eye. This is the same as the surgery that is used to treat cataracts, ,yet for non-cataract patients, RLE is used to correct severe nearsightedness or farsightedness. The procedure involves the doctor making a small cut in the cornea, removing the natural lens and replacing it with usually a silicon or plastic lens. It is particularly useful for patients with minor corneal problems such as thin corneas or dry eyes.

RLE is more risky than the other procedures mentioned and can affect the patient’s ability to focus on close objects, possibly requiring reading glasses following the procedure. However, in cases of severe vision correction it is often the preferred method.

PRELEX

PRELEX or presbyopic lens exchange is for patients with presbyopia, the age-related condition in which you lose the flexibility of your lens and can no longer focus on close objects. Patients that prefer not to wear reading glasses or multifocals, can opt for a procedure in which the doctor removes the natural lens of your eye and replaces it with a multifocal artificial lens. This procedure is often done in conjunction with cataract surgery.

Phakic Intraocular Lens Implants

Phakic IOLs are implants that are used for individuals with very high nearsightedness who do not qualify for LASIK or PRK. The implant is attached to your iris or inserted behind your pupil, while the natural lens remains intact. Because this is a procedure that involves the inner eye, it is more risky than LASIK or PRK and is therefore also typically more expensive.

Conductive Keratoplasty (CK)

CK uses a hand-held radio wave device to shrink tissue on the cornea to reshape it. The procedure is typically used to treat mild farsightedness and presbyopia, particularly for patients who have already undergone LASIK.

Any surgical procedure has risks and may have some side effects or complications that you should research before you decide to go ahead with the surgery. Nevertheless, as technology advances these complications are being significantly reduced making refractive surgery a great option for vision correction in many patients.

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Update on COVID-19 (03/30/2020)

We wanted to thank you for your continued support of our office during this challenging time. We will continue to be open from 9:00am-1:00pm Monday through Friday to dispense contact lens and eyeglasses orders. We will also be able to order additional contact lenses for patients who may be running low.

While all routine eye care is still deferred during this time, we will remain available to triage eye emergencies. We will send out additional notifications as soon as it becomes possible to resume routine eyecare.

Please call or text us at (904)287-4567 or email us at cfec2@2drfishers.com with any questions for concerns.

*****CONTACT WEARERS*****

With the day to day changes surrounding COVID-19, we do not know how much longer we will be open to the public. With that being said, if you are a contact lens wearer, and currently have less than a 3 month supply of lenses, we highly recommend that you place an order now. We will offer free shipping on lenses directly to your home (with a minimum of 2 boxes). We will also extend contact lenses prescriptions, as needed, for those expiring within the next three months.

Please call or text us at (904)287-4567 or email us at cfec2@2drfishers.com.

Hours: As of March 30, we will be open from 9:00am – 1:00pm Monday through Friday only to dispense contact lens and eyeglass orders. We will have a doctor available to see ocular emergencies if needed.

Routine Eye Exams: If you are scheduled for a routine eye examination appointment during our closure, we will reschedule your appointment. As of March 30, 2020, we will begin rescheduling routine eye examination appointments for April 13th and later.

I need to replace my glasses. What do I do? Please contact us at (904)287-4567. We may be able to extend your prescription during this time and will help you with your eyewear needs.

I’m nearly out of contact lenses. What do I do? Please contact us at (904)287-4567. We may be able to extend your prescription during this time, and/or place an order for your contact lenses and have them shipped to your house (with a minimum of 2 boxes).

I need a refill on the medication prescribed to me by the practice. What do I do? Please contact us at (904)287-4567 or cfec2@2drfishers.com. We can transmit a refill for your prescription directly to your pharmacy so that you have the medication that you need.

I need to pick up my order. What do I do? We will be open from 9:00am – 1:00pm Monday through Friday only to dispense contact lens and eyeglass orders.

I don’t feel comfortable coming into the office to pick up my order. What do I do? Please contact us at (904)287-4567 and we can bring your contact lens or glasses order out to your car. Since we are working with reduced staff, please allow us extra time for curbside pick-up. Also, when you place your contact lens order, you can elect to have them shipped to your home.

What about an eye emergency after your shortened business hours? What can I do? If you have an ocular emergency, please call (904)287-4567 and wait for instructions at the end of the message.

Our doctors will do their best to accommodate your needs whenever possible during this time. We have reduced our staff hours until further notice to protect them, our patients, our community, and our nation. Despite the financial and emotional hardships this will cause, we ask every one of you to do the same.

Together, we will weather this storm.