This allows fluid from within your eye to slip through the opening and get behind your retina. If you have a rhegmatogenous retinal detachment, you have a tear or hole in your retina. Types of retinal detachment differ based on the state of your retina, and whether it’s caused by a tear, scar tissue, or disease. AK can be performed alone or with other laser eye surgeries.Causes and risk factors of retinal detachment After the incisions are made, the cornea relaxes and takes a more rounded shape. People with astigmatism have corneas that are shaped like a football, and this surgery corrects that by making one or two incisions at the steepest part of the cornea. The eye’s natural lens is left in place.ĪK is a surgery that corrects an astigmatism without the use of a laser. For this procedure, the doctor inserts an implant through a very small incision at the edge of the cornea that attaches to the iris behind the pupil. Some patients who are too nearsighted for PRK and LASIK, need Phakic Intraocular Lens Implants. ICR has been replaced by laser-based procedures to treat mild nearsightedness. The flattened cornea allows for light rays to be altered in the way they focus on the retina. Two crescent-shaped plastic rings are placed at the outer edge of the cornea to flatten it. For this procedure, the doctor makes a small incision in the cornea. Intacs are also known as intracorneal ring segments (ICR). PRELEX is a procedure where the eye doctor implants a multifocal lens to improve flexibility and restore focus. Patients with presbyopia have difficulty focusing on close objects. If the eye’s lens loses its flexibility, the condition is referred to as presbyopia. The doctor finishes the procedure by applying a soft contact lens to protect the area until it can fully heal. The layer may either be removed or replaced. The doctor separates a thin layer of the cornea and then reshapes it. The EpiLasik procedure is very similar to PRK. Additional procedures may be needed to correct astigmatism. It is also used to correct thin corneas, dry eyes, and other minor eye problems. This procedure is also known as CLE (clear lens extraction) or RLR (refractive lens replacement) and can be used to correct severe farsightedness or nearsightedness. The lens is replaced with a silicone or plastic lens. The doctor makes a small incision to remove the natural lens of the eye on the edge of the cornea. RLE is a procedure for correcting cataracts. No laser is used, and instead, the doctor makes an incision in the sub-layer of the cornea to reshape and correct vision. For this procedure, an eye specialists creates a flap in the cornea to access the underlying tissue. LASEK treats nearsightedness, farsightedness, and astigmatism.ĪLK can help people with severe nearsightedness and few levels of farsightedness, although LASIK has all but replaced ALK as a method of correction. Then, a laser reshapes the cornea and the flap is set and secured with a soft contact lens so that it can heal around the correction. The doctor will create a flap where epithelial cells are loosened by applying an alcohol solution. This procedure is a slight variation of PRK. PRK can also work with computer imaging technology. It’s ideal for mild to moderate nearsightedness, farsightedness, or astigmatism. Unlike LASIK, PRK only reshapes the surface of the cornea. PRK is a procedure that uses a laser to reshape the cornea. The procedure requires precision, and advancements in computer imaging technology allow LASIK specialists to create detailed corneal images and guide the treatment. Eye surgeons create a flap of the outside layer of the cornea in order to access the underlying tissue. What makes LASIK unique is its methodology. This procedure is ideal for patients who are nearsighted, farsighted, or have astigmatism. This surgery reshapes the underlying corneal tissue to focus light into the eye and reach the retina. Here are the different types of corrective surgeries, what they improve, and how they work. Other surgeries replace the lens of the eye. Most procedures work to reshape the cornea so that light passing through it can focus on the retina. There are many types of vision correction surgeries. Many people are choosing to take charge of their vision in a more permanent way.Įye specialists have made incredible advancements in vision correction surgery, also known as refractive and laser eye surgery, in recent years. Wearing contacts and glasses can be cumbersome for some people, and can have a negative effect on their active lifestyles.
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