Saturday, April 13, 2024

Types Of Eye Surgery To Correct Vision

What Happens After An Eye Surgery

LASIK surgery – 3D animation

If youve had an outpatient procedure, youll need an adult driver to take you home. Your provider will give you information on what to expect in terms of pain, medications, keeping your eye covered, positioning of your head and vision improvement. Youll need to have a follow-up appointment fairly soon after the surgery.

The recovery time will also depend on what type of surgery youve had. Recovery from cataract surgery and vision correction surgeries are faster than other types of surgeries.

Are These Surgeries Safe And Effective

Their good results are well-documented, but like any surgery, there can be side effects. Itâs important to keep them in mind.

Infection and delayed healing. A tiny number of people get an infection after PRK or LASIK. It generally means added discomfort and a longer healing process.

Undercorrection or overcorrection. You wonât know how well the surgery worked until your eye has healed properly. You may still need glasses or contacts. If your vision isnât great, a second laser surgery, called laser enhancement, can help.

Worse vision. Itâs rare, but some people see worse than before the surgery. Irregular tissue removal or excess corneal haze are the usual culprits.

Excess corneal haze. This can be a part of the natural healing process after PRK. It usually has no effect on your vision after and can only be seen through an eye exam. Sometimes it can affect your vision. You may need a second procedure.. Also, a medication called mitomycin C during PRK surgery can prevent it.

Regression. Sometimes the effects of surgery go away over a period of months from atypical healing. You may need a second surgery to improve your vision.

Flap damage or loss. LASIK leaves a hinged flap on the center of your cornea. It may need to be repositioned during the first few days after surgery or after a severe direct injury to your eye.

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Types Of Corrective Eye Surgery

Wearing contacts and glasses can be cumbersome for some people, and can have a negative effect on their active lifestyles. Many people are choosing to take charge of their vision in a more permanent way.

Eye specialists have made incredible advancements in vision correction surgery, also known as refractive and laser eye surgery, in recent years. There are many types of vision correction surgeries. Most procedures work to reshape the cornea so that light passing through it can focus on the retina. Other surgeries replace the lens of the eye.

Here are the different types of corrective surgeries, what they improve, and how they work.

LASIK This surgery reshapes the underlying corneal tissue to focus light into the eye and reach the retina. This procedure is ideal for patients who are nearsighted, farsighted, or have astigmatism. What makes LASIK unique is its methodology. Eye surgeons create a flap of the outside layer of the cornea in order to access the underlying tissue. The procedure requires precision, and advancements in computer imaging technology allow LASIK specialists to create detailed corneal images and guide the treatment.

PRK PRK is a procedure that uses a laser to reshape the cornea. Unlike LASIK, PRK only reshapes the surface of the cornea. Its ideal for mild to moderate nearsightedness, farsightedness, or astigmatism. PRK can also work with computer imaging technology.


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Which Corrective Eye Surgery Procedure Is Right For You

Because our eyes change as we age, the type of laser eye surgery or other vision correction we need also may change. Certain approaches to LASIK or other procedures that work well for younger adults, for example, may be inappropriate for older individuals.

In some cases, vision correction surgery may be ruled out entirely. Children under age 18 rarely would be considered candidates for laser vision correction because their eyes change too rapidly as their bodies grow and mature.

Also, some people have certain conditions or diseases that would make them poor candidates for certain vision correction procedures and better candidates for other procedures. Examples:

  • If you have diabetes or other diseases that affect wound healing, you might be a better candidate for PRK or LASEK than certain types of LASIK.

  • If you have uncontrolled glaucoma, you likely would not qualify for LASIK or certain other procedures.

Keep in mind that, generally, anyone who is pregnant should not undergo any form of elective vision surgery, because hormonal changes might affect the treatment’s accuracy.

Lifestyle also can make a big difference in the type of vision correction you need. A seamstress requires keen near vision. Computer users need good vision at intermediate ranges. And a pilot needs to preserve depth perception to make good spatially oriented judgments while flying.

Eye Correction Surgery Types

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While LASIK is certainly the most recognized type of eye correction surgery, there are a wide variety of options available. Most of these procedures work by reshaping the cornea, which is the clear front part of the eye. The cornea functions by focusing the light that travels through it, creating a more accurate impression on the retina at the back of the eye. Some surgeries also involve replacing the eyes natural lens with an artificial one. Check out our comprehensive explanation of the various corrective surgery options below!


LASIK is used to correct vision in patients suffering from nearsightedness, farsightedness, and astigmatism. During the procedure a flap is made in the outer layer as seen above, exposing the underlying tissue, which is then reshaped with the use of a laser. The flap is what separates LASIK procedures from other eye corrective surgeries. LASIK can be performed with or without computer imaging known as wavefront technology, which creates a detailed image of the cornea and acts as a guide for treatment.


Laser epithelial keratomileusis is a variant of PRK in which an epithelial flap is created by loosening the cells with an alcohol solution. A laser is then used to reshape the cornea, and the flap is closed and secured until it has healed. This procedure is used to correct nearsightedness, farsightedness, and/or astigmatism.



Phakic Intraocular Lens Implants

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What Vision Correction Option Is Right For You

The right type of vision correction for you depends on a variety of factors. Lets look at these factors more closely.

  • Your day-to-day needs. Do you need to improve your eyesight for all activities or only for certain things, like reading or driving? If you only need vision correction for some things, you may decide that glasses are more practical. But, if you need vision correction for most activities, contact lenses or surgery might be a better option.
  • Your eye health. Not all vision correction options are suited for all refractive errors. For instance, vision correction surgery isnt generally recommended for presbyopia.
  • Your overall health. Some chronic conditions might make it unsafe for you to get vision correction surgery. Also, contact lenses need to be stored, handled, and worn carefully to avoid infection. This may be difficult if youre managing a health condition that already takes up your time and attention.
  • Your lifestyle. Some jobs, sports, and hobbies can influence your vision correction choice. You might work in a setting where contact lenses would be unsafe. Or you may regularly play a sport that would be difficult to do if you wear glasses.
  • Your personal preferences. Your personal preference also plays a role in what works best for you. Some people simply enjoy the look and style of glasses. Other people consider glasses to be a hassle or they dont like the feeling of glasses sitting on their nose and ears.

Will I See What Is Happening During My Surgery

Under general anesthesia, you will be unconscious and unaware of what is happening.

Under monitored sedation, you will remain awake but will not see what the surgeon is doing. The eye that is being operated on will be anesthetized and effectively unconscious. The other eye will be covered.

If you receive topical anesthesia, you may see lights, colors, and shadows. You may also be given medicines to help you stay relaxed.

Anesthesiologists work with your surgical team to evaluate, monitor, and supervise your care before, during, and after surgeryâdelivering anesthesia, leading the Anesthesia Care Team, and ensuring your optimal safety.

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What To Know About Glasses

Glasses use clear lenses to refocus light to the correct point on your retina so that you can see clearly.

When you have an eye exam, the eye doctor performs a series of tests to assess exactly how these lenses need to be shaped to correct your vision. This exact shape of the lens is your glasses prescription.

Your eyeglass prescription might be the same strength in both eyes or different strengths for each eye. Its also possible to have multiple types of vision correction within the same lens.

Types Of Eye Surgery To Correct Vision

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Eye surgery to correct vision is an increasingly popular option for those who are looking to improve their eyesight. There are a number of different types of procedures that can be performed, and it is important to choose the right one for your needs.

Because each type of surgery has its own risks and benefits, it is important to consult with an experienced eye surgeon to determine which procedure is right for you. Here are some of the most common types of eye surgery to correct vision:

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Who Are The Candidates For Corrective Eye Surgery

Only your eye surgeon can say if you are fit for surgery or not, and which type of corrective eye surgery suits you the most. But most candidates should check off the following criteria:

  • Your age is older than 18 years and younger than 45 years for farsightedness or nearsightedness
  • You are older than 21 years for treating astigmatism.
  • Most importantly having stable eyesight for at least one year.
  • If the severity of myopia is between -0.5 to 14.00 diopters , and that for astigmatism is less than 5.00 diopters, while hyperopia of more than +6.00 diopters is inoperable.
  • Your eye health should be free of any diseases including, keratoconus, keratitis, other corneal problems, cataract and/or glaucoma.
  • No medical problems like autoimmune diseases, diabetes, immunodeficiency or if you are on certain medications like retinoids.
  • Any surgeries should be avoided during pregnancy and lactation.

How Long Do I Have To Wait After Laser Eye Surgery Before Playing Sport Or Swimming

Good visual function is achieved within 2448 hours with LASIK and SMILE/SMILE pro but may take up to 2 weeks with PRK .If surgery was routine and successful, contact sports may be resumed:

  • within 1 week of undergoing SMILE/SMILE pro
  • 24 weeks following PRK
  • 1 month after LASIK surgery.

For advice on your particular circumstances, speak to a surgeon.

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Duet Lens Procedure What Is It

While refractive lens exchange surgery involves the replacement of a natural lens with an artificial lens, the innovative Duet procedure involves the replacement of a natural lens with two artificial lenses. The first artificial lens is a distance lens and is placed within the natural capsule that holds the original lens. This lens is permanent. The second lens is a trifocal lens that restores vision at intermediate and near distances and is positioned in the space just in front of the first lens.

As a living tissue, the health of the eye can deteriorate as we grow older. With the add-on trifocal lens, there is the life-long ability to reverse the multi-focal lens technology should it for any reason become unsuitable. This provides another layer of safety to lens exchange surgery.

The two lenses can be inserted as part of the refractive lens exchange procedure but for those patients who have already had lens surgery with a standard lens, an add-on trifocal lens can be inserted to reduce spectacle dependence.

Cost Of Eye Surgeries

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The cost of eye surgeries varies depending on the procedure. For instance, LASIK costs between $2,000 and $3,000 per eye. Unfortunately, insurance companies do not cover most eye surgeries except for specific situations, as they are considered elective procedures. Exempted circumstances that insurance companies may cover include when the patient wants to correct errors resulting from previous surgery or injury.

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What Happens After Surgery

Your doctor will prescribe eye drops to help prevent swelling and infections, and youll need to use them for several weeks. These eye drops are different from other glaucoma eye drops you may already use.

While you recover, you may need to avoid some activities for 2 to 4 weeks, like lifting anything heavy. Youll also need check-ups with your doctor to make sure your eye is healing well.

Phakic Intraocular Lens Implantation

With PIOL artificial lenses are placed in your eyes without removing your own natural lenses. It’s a bit like building contact lenses into your eyes.

Because the lens is inside your eye, you can do things you could not normally do in contact lenses, such as swimming or water sports.

Who is it suitable for?

PIOL can be a good option for younger people who are not able to have eye laser surgery, perhaps because they have a high eye prescription or a high degree of astigmatism. Later in life, RLE may be a better alternative.

What does PIOL involve?

The surgeon makes a small cut in the surface of your eye and slips the news lens in through this. No stitches are needed.

Are there any risks?

Your surgeon will discuss any side effects and risks with you before you go ahead with surgery.

It’s normal to get some disturbance in your vision after PIOL but this should gradually settle down. Glare from oncoming headlights while driving at night is common to begin with.

The surface of your eye may feel uncomfortable for a while. You may also have red blotches on the white of your eye for few weeks.

Serious complications are rare and, if you do have any problems after surgery, they can usually be corrected. Cataracts may develop earlier in life after PIOL.

Refractive lens exchange

RLE is basically the same as cataract surgery. The natural lens in your eye is removed and replaced with a new, artificial one.

Who is it suitable for?

What does RLE involve?

Are there any risks?

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What Happens During An Eye Surgery

Many eye surgeries use local anesthesia, which means youll be awake but not in pain. This is important because of the position your head and eye need to be in for the surgery. Youll need to be able to maintain a flat and still position. The provider will cover the eye that doesnt need surgery.

Some procedures call for the use of topical anesthesia. This refers to a drop or gel that numbs your eye so you cant feel anything. This is true for operations like cataract removal or vision correction surgeries.

Other types of eye surgeries, like those to repair globe injuries, require general anesthesia. Your child might need to have general anesthesia for an eye procedure, or you might need it if youre especially nervous about the operation itself.

The type of surgery dictates the things that happen during the procedure. Different procedures require different types of preparation, anesthesia, equipment and implants.

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Intraocular Lens Options for Cataracts

Imagine not having to experience life from behind lenses. Imagine waking up in the morning, and starting your day without wrestling with contact lenses or hunting for your glasses. Imagine being able to wear prescription free sunglasses without having to fit them over your spectacles. These scenarios are all possible through the modern medical marvel of laser eye surgery.

The world of laser eye surgery is attractive to many patients, providing clarity, convenience, and freedom from glasses or contacts. But like any surgery, not every procedure is right for every patient. There are three main corrective surgeries: LASIK, LASEK, and PRK. All three of these procedures are designed to reshape your cornea. But all three of them vary quite a bit in terms of method. So how do you know which one is the right one for you?

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Laser Eye Surgery And Lens Surgery

Surgery to improve your eyesight is known as refractive surgery or vision correction. There are 2 different types: laser eye surgery and lens surgery.

Both types of surgery can make you less dependent on glasses or contact lenses. Research shows that both are safe and effective.

What type of refractive surgery will suit you best depends on a range of things, including your eyesight, eye health, age, budget and lifestyle.

Your surgeon will examine your eyes, assess your needs and help you decide on the best option for you.

When weighing up the risks and benefits of refractive surgery bear in mind that wearing contact lenses also carries some risks for your eye health.

Refractive surgery is not available on the NHS for people who just want to improve their eyesight.

Most people have it done at a private clinic. Costs vary according to what kind of surgery you’re having.

How Many Aftercare Appointments Are Required Following Laser Eye Surgery

For LASIK and SMILE/SMILE pro patients, aftercare appointments usually occur:

  • On the same day or the day after surgery
  • 12 weeks after surgery, and
  • 23 months after surgery.

Patients who have undergone PRK generally have aftercare appointments:

  • On the same day or the day after surgery
  • 35 days after surgery to remove the bandage contact lens
  • 2 weeks after surgery

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Different Corrective Eye Surgery Types

When your vision is blurry, and you are bored of wearing eyeglasses or maybe, contact lenses have caused you the worst case of pink eye, then corrective eye surgery is your only go-to solution!

You have heard about LASIK, PRK, SMILE and more and dont know what are they, or how do they work, or which is the best option for you. Well then lets start reading this article together because we will cover everything concerning types of corrective eye surgery.

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