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Opti-LASIK Eye Surgery

LASIK and Refractive Surgery

LASIK surgery has become a staple of vision correction in the United States upon approval by the FDA in the late 1990’s for those desiring to reduce or eliminate their dependance on eyeglasses or contact lenses. Millions of these surgeries have been preformed since without complication. Indeed it is one of the safest and easiest surgery available. It’s sole goal is to treat refractive errors.

What Are Refractive Errors?

The eye is much like a simple camera, the cornea is the lens the pupil the opening in the eye like the aperture in a camera and the retina , the film. Clear vision depends on all of this lining up perfectly much like focusing a camera. But for most purposes your eye does not have a focusing option. The retina or film in the back cannot be changed nor can the pupil or aperture, but the cornea certainly be changed which is precisely what LASIK does. Think of it as a permanent zoom lens correction for your eye thus providing clear vision always. It is all about the cornea.
You are born with a certain cornea.When the cornea is not shaped perfectly, it causes one of the conditions described below. The goal of LASIK and various forms of refractive surgery is through the used of sophisticated computer guided cameras, mathematical calculations and a very precise laser treatment, to reshape the cornea much like a jeweler fishing a fine gem but 1000 times more precise thus achieving the best vision possible. All of the below can be treated.

4 Types of Refractive Errors

There are four types of refractive errors:


Nearsightedness (myopia)

Objects close by appear sharp. But objects far away are blurred. The eye is longer than normal from front to back. Or the cornea is curved too much. Images focus in front of the retina instead of on it.

Farsightedness (hyperopia)

Objects far away appear clearly. But objects up close are blurred. The eye is shorter than normal. Or the cornea is too flat. Images focus behind the retina.


Objects are blurred at any distance. The shape of the cornea, lens, or both prevents images from being focused sharply on the retina.


This is also known as aging eye. The eye loses its ability to change focus because of the natural aging process.

Types of Refractive Surgery :


Typically, LASIK is the procedure most used in the above conditions. It involves a laser making a micro thin incision on the front of the cornea, a hinged flap, much like a contact lens. During the procedure that is simply flipped back, the laser reshapes the cornea and the flap repositioned which heals in a matter or hours. Completely painless and done in several minutes.


Photorefractive keratectomy (PRK) surgery. This procedure is performed with the same kind of excimer laser used for LASIK. PRK is done to reshape the cornea in the same fashion as LASIK for patients whose corneas are deemed by computer and clinical findings, not suited for LASIK but certainly eligible for vision correction. The differences are that healing may be delayed for several days and a contact lens is placed after the surgery. The results are equivalent to LASIK. In some cases a pretreatment can be recommended known as corneal cross linking.


PTK is a procedure almost identical to PRK for patients with and irregular surface or the cornea due to prior injury, infection or other causes. In most cases it relives the symptoms and clears the vision much like the other procedures.


SMILE is a procedure much like the above. In this case after the appropriate measurements the laser actually removes a portion of the internal corneal tissue rather than treating the surface. It is relatively new but is though to have the advantage of not creating the hinged flap in certain patients.


ICL is a micro thin contact lens inserted within the eye achieving excellent vision in patients that may be determined to be a better candidate for this as opposed to changing the corneal surface.

The excimer laser beam reshapes the cornea by removing very small amounts of tissue from the outer surface of the cornea. A computer is used to map the eye’s surface and calculate how much tissue should be removed. PRK surgery typically takes only a few minutes. However, the healing process lasts for several weeks because the cornea surface is removed and needs to heal.

The most common side effects after PRK surgery include:

  • Eye pain that may last for several weeks
  • Mild corneal haze right after surgery
  • Glare or halos around lights for months after surgery

Choosing the Right Refractive Surgery with the Right Eye Surgeon at Saddleback Eye Medical Associates

Refractive surgery may not be an option for everyone. Talk with your eye care provider about your type of vision problem and if surgery may be right for you. At Saddleback Eye Medical Associates, our board-certified doctors are regarded as the top eye surgeons in the United States.

Since 1979, our eye doctors have performed thousands of eye procedures with the most advanced technology and highest standards of care for individuals and families.

For more information, call Saddleback Eye Medical Associates at 949-364-0225.


Dr Gawk’s assistant took me on time and took my vision distance measurements quickly. Then, Dr Gawk came in and spent as much time as I needed to get my questions answered. I like the changes made in the office process a lot.

Ron Neufeld

Dr Gwynn has provide us with excellent eye care for many years, including cataract surgery. Thank you

Tom Bergman

I am seeing both an ophthalmologist and an optometrist, Joson Moin. Both are absolutely fantastic. Not only are the doctors patient focused their staff is too. I've seen Joson for more than a decade. Moin for years. I plan to keep coming back to these doctors. The optician, Shi, is easy to work with, helpful and careful in choosing the frames and right lenses I need and with the right coatings.

Bob Macias

staff is great dr hseih RULES.

Yvonne Stevens

First visit to Tayani Institute since they merged with Saddleback Eye and Associates and all the staff that I have experienced thus far have been friendly, helpful, and very responsive to my needs, appointments, and follow up when I call and leave a VM. Very professional staff, warm and inviting.


Short wait time. Dr. Hsish is the best!

Familia E.

exelente servicio... tanto en recepcion, como los Doctores. Muchas gracias por su servicio*

Linda G.

I have used this eye center for years and am pleased with the entire facility. The doctors are great...I specifically use Dr.Weiss and he is very good and thorough. The optical facility is...

Jenna Nelson

I brought my 3 year old and 7 month old in for eye checkups. The front office staff were so nice and efficient. The nurse or assistant that took us back was so amazing with my 3 year old and made sure she understood what she was being asked. It had potential to be a terrible experiment but was absolutely wonderful. Dr. Weiss was so great with my kids also. We will definitely be back.

Jenna Hansen

I brought my 3 year old and 7 month old in for eye checkups. The front office staff were so nice and efficient. The nurse or assistant that took us back was so amazing with my 3 year old and made sure she understood what she was being asked. It had potential to be a terrible experiment but was absolutely wonderful. Dr. Weiss was so great with my kids also. We will definitely be back.

Monica H.

I came to the Optical department and front office are very helpful. Art the optician was not available because he was busy with a patient but front desk asked me if to look for glasses and if I...

R K.

I have been a patient of Dr. Weiss for over 30 years. I have always received prompt, courteous and professional attention. Last December the cataracts in both eyes had progressed to the point...

Kyliee Y.

I have been coming to this office for quite some time. I have only had good experiences with them, definitely come here they are very fast and the doctors are kind to me. Again, you should...

Candace Crain

Have been going to this group for years. My mother and I have always received excellent care


Thank you very much for a wondeful consultation last month. The glasses that I bought are really great! I am confident now.

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