Learn about the diagnostic journey for Eye Laser. From corneal topography to visual acuity tests, explore how specialists ensure you are a safe candidate for treatment.
Send us all your questions or requests, and our expert team will assist you.
Diagnosis and Tests
The journey toward Eye Laser begins with a comprehensive clinical evaluation. This is far more detailed than a standard eye exam for glasses. The goal is to create a digital “blueprint” of your eyes. During this visit, the specialist at Liv Hospital will review your medical history, any medications you take, and your lifestyle goals. This evaluation ensures that your eyes are healthy and that your prescription has been stable for long enough to ensure a predictable and lasting result. It is a collaborative process where your questions are answered and a roadmap is created.
The first diagnostic step is measuring your precise refractive error. This involves the classic “one or two” test using a phoropter to find the combination of lenses that provides the sharpest vision.
The clinician will also perform a “cycloplegic refraction,” using drops to temporarily relax the eye’s focusing muscles. This ensures the measurement is purely anatomical and not influenced by your eye trying to “cheat” or compensate for the blur.
A critical test for any laser eye surgery candidate is corneal topography. This machine creates a highly detailed 3D map of the surface of your eye.
Much like a weather map shows mountains and valleys, topography shows the specialist exactly where the laser needs to remove tissue to create a perfectly smooth and round surface.
The safety of a laser procedure depends on the thickness of your cornea. Pachymetry is a quick, painless test used to measure this. Because the laser removes a small amount of tissue to reshape the eye, there must be enough “reserve” tissue left to maintain the structural integrity of the eyeball. If a cornea is naturally too thin, the specialist may recommend a surface-based procedure like PRK instead of LASIK. This diagnostic data is a non-negotiable safety check performed on every patient at Liv Hospital.
The slit lamp is a specialized high-powered microscope that allows the doctor to see the structures of the eye in three dimensions.
This hands-on exam ensures that the “canvas” the surgeon is working on is in perfect health before any light is applied.
The size of your pupils in both bright and dim light is an essential diagnostic factor. Some people have naturally large pupils, which can increase the risk of seeing halos or glare at night after surgery. Using an infrared pupillometer, the clinician measures your pupil’s diameter accurately. If your pupils are very large, the surgeon will adjust the “optical zone” of the laser for eyes treatment to cover the entire area, ensuring that your night vision remains clear and comfortable.
Wavefront technology is an advanced diagnostic tool that measures how light travels through your entire eye, not just the front surface.
This data allows for a “Wavefront-Guided” treatment, which is like a high-definition version of vision correction. It aims to provide vision that is even better than what you achieved with your best pair of glasses, especially in high-contrast situations.
To ensure the overall health of the eye, a dilated retinal exam is performed. Using special drops to widen the pupil, the specialist looks at the retina, macula, and optic nerve. This is important because patients with high nearsightedness often have a thinner retina, which can be prone to tears. Finding and treating a retinal issue before laser eye surgery is a vital safety step. This comprehensive check ensures that the back of the “camera” is just as healthy as the front “lens” being reshaped.
Post-operative comfort depends heavily on the health of your tears. The diagnostic team performs several tests to check tear quality and volume.
If your eyes are dry, you may be prescribed lubricating drops or special treatments for a few weeks before your eye laser vision correction. Optimizing the eye surface beforehand leads to faster healing and better final clarity.
Once all the tests are complete, the Excimer Laser specialist reviews the data to reach a final conclusion. You will be told if you are a “Go” for surgery and which specific procedure is safest for your unique anatomy. The doctor will explain the expected results and any minor risks involved. This diagnostic phase is the foundation of trust between the patient and the clinic. At Liv Hospital, we believe that a well-informed patient who has undergone thorough testing is the key to a successful, life-changing surgical outcome.
Send us all your questions or requests, and our expert team will assist you.
To ensure safety, accuracy, and suitability.
Yes. It is critical for structural safety.
Yes. Internal health must be confirmed.
Yes. Findings guide procedural planning.
No. Testing is individualized based on needs.
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