{"id":4423,"date":"2026-06-19T11:41:27","date_gmt":"2026-06-19T11:41:27","guid":{"rendered":"https:\/\/visionlaser.ch\/?p=4423"},"modified":"2026-06-19T11:41:27","modified_gmt":"2026-06-19T11:41:27","slug":"que-signifie-prk","status":"publish","type":"post","link":"https:\/\/visionlaser.ch\/en\/que-signifie-prk\/","title":{"rendered":"What does PRK mean?"},"content":{"rendered":"
<\/span><\/div>

What does PRK mean?<\/h1><\/div>

<\/a>PRK<\/a> stands for photorefractive keratectomy. It is a type of laser eye surgery. It helps improve vision.<\/p>\n

The name may sound complex, but the idea is simple. The treatment changes the shape of the front part of the eye. This helps light focus in the right place.<\/p>\n

When light focuses correctly, vision becomes clearer.<\/p>\n

What part of the eye is treated?<\/strong><\/h3>\n

PRK works on the cornea. The cornea is the clear front surface of the eye.<\/p>\n

The cornea plays an important role in how we see. It bends light as it enters the eye.<\/p>\n

If the shape of the cornea is not correct, vision can be blurry. PRK helps improve this shape.<\/p>\n

What vision problems can PRK treat?<\/strong><\/h3>\n

PRK can treat several common vision problems. These include myopia, which is short sightedness. It can also treat hyperopia, which is long sightedness.<\/p>\n

During the procedure, a laser reshapes the cornea. The cornea is the clear front surface of the eye.<\/p>\n

By reshaping the cornea, PRK can help improve how light enters the eye.<\/p>\n

How does PRK work?<\/strong><\/h3>\n

During PRK, a laser is used to gently reshape the cornea. The laser removes a very thin layer from the surface.<\/p>\n

This allows the cornea to change shape. Once the shape is improved, light can focus more clearly on the retina.<\/p>\n

The retina is the part of the eye that sends visual signals to the brain.\nThe procedure is quick and carefully planned for each patient.<\/p>\n

What is the difference between PRK and LASIK?<\/strong><\/h3>\n

PRK and LASIK are both types of laser eye surgery. They both aim to improve vision.<\/p>\n

The main difference is how the cornea is treated.<\/p>\n

In LASIK, a thin flap is created in the cornea. The laser then works under this flap.<\/p>\n

In PRK, no flap is created. The laser works directly on the surface of the cornea.\nThis can make PRK a suitable option for people with thinner corneas.<\/p>\n

What Is TransPRK?<\/strong><\/h3>\n

TransPRK is a modern form of PRK. It uses advanced laser technology.<\/p>\n

In TransPRK, the treatment is done in one step. The laser works on the surface without the need for manual tools.<\/p>\n

This can make the procedure more smooth and precise.<\/p>\n

What happens during the procedure?<\/strong><\/h3>\n

Before the procedure, numbing eye drops are used. This helps keep you comfortable.<\/p>\n

The laser then treats the surface of the cornea. The treatment usually takes only a short time.<\/p>\n

You are awake during the procedure, but you should not feel pain.<\/p>\n

After the treatment, a soft contact lens may be placed on the eye to protect it during healing.<\/p>\n

How do the eyes heal after PRK?<\/strong><\/h3>\n

After PRK, the surface of the eye needs time to heal. The top layer of the cornea grows back over the first few days.<\/p>\n

During this time, vision may be blurry. The eyes may feel sensitive or dry.<\/p>\n

These changes are normal and improve over time.<\/p>\n

Healing after PRK can take longer than LASIK, but the results can be very good.<\/p>\n

When it\u2019s worth it<\/strong><\/h3>\n

Many patients experience improved vision.<\/p>\n

The goal is to reduce the need for glasses or contact lenses.<\/p>\n

Results vary from person to person.<\/p>\n

Is PRK a safe procedure?<\/strong><\/h3>\n

PRK has been used for many years. It is a well known type of laser eye surgery.<\/p>\n

Like any medical procedure, it may not be suitable for everyone.<\/p>\n

A full eye examination is needed to understand if PRK is the right option.\nYour doctor will explain the benefits and possible risks based on your eyes.<\/p>\n

Life after PRK<\/strong><\/h3>\n

After recovery, many patients enjoy more freedom in daily life.<\/p>\n

Each patient\u2019s experience is different, but many people are happy with the results.Activities such as sports, travel, and work can feel easier without glasses.\nIt is still important to take care of your eyes and attend follow up visits.<\/p>\n

Learning more about your options<\/strong><\/h3>\n

If you are thinking about laser eye surgery, it is helpful to learn about your options.<\/p>\n

PRK is one of several treatments available. Each person\u2019s eyes are different.<\/p>\n

Not every treatment suits every eye.<\/p>\n

Take the first step<\/strong><\/h3>\n

If you would like to explore your options, the first step is simple.<\/p>\n

Take the Vision Laser suitability self test<\/a> today. This quick online check can help you find out if <\/a>PRK<\/a> or another treatment may be right for you.<\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

What does PRK mean?
\nD\u00e9couvrez comment fonctionne ce traitement laser et s\u2019il peut vous convenir.<\/p>","protected":false},"author":6,"featured_media":4217,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-4423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prk"],"yoast_head":"\nQue signifie PRK ? | Vision Laser - Chirurgie laser r\u00e9fractive Gen\u00e8ve<\/title>\n<meta name=\"description\" content=\"Que signifie PRK ? 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