Parallax
I have approximately 400 degrees of astigmatism.
If I undergo laser treatment, what kind of side effects can I expect? Also, how much does it typically cost? Thank you.
Da, 10~19 year old female. Ask Date: 2000/12/01
Dr. Huang Bozhen reply Ophthalmology
Subject: Parallax of 400 degrees.
Explanation: The price of monocular lasers on the market ranges from 10,000 to 20,000 TWD, so it's advisable to compare prices from different vendors.
As for side effects, the most common issue is experiencing glare from oncoming vehicles at night, which can affect driving safety.
Additionally, individuals with a parallax greater than 400 degrees may be eligible for alternative military service.
Reply Date: 2000/12/01
More Info
When considering laser treatment for myopia, particularly for a prescription of around 400 diopters, there are several important factors to take into account, including potential side effects, costs, and the overall effectiveness of the procedure.
Understanding Laser Treatment for Myopia
Laser eye surgery, such as LASIK (Laser-Assisted In Situ Keratomileusis), is a popular option for individuals looking to correct their vision and reduce their dependence on glasses or contact lenses. For someone with 400 diopters of myopia, LASIK can be a viable option, as it is generally effective for moderate levels of myopia. The procedure works by reshaping the cornea to allow light entering the eye to be properly focused onto the retina, thereby improving vision.
Potential Side Effects
While LASIK is considered safe and effective, it is not without risks. Common side effects include:
1. Dry Eyes: Many patients experience dry eyes after surgery, which can be temporary or, in some cases, long-lasting. This is particularly important for individuals with pre-existing dry eye conditions.
2. Visual Disturbances: Some patients report seeing halos, glare, or double vision, especially at night. These symptoms can diminish over time but may persist in some cases.
3. Under or Over-Correction: There is a possibility that the surgery may not fully correct the vision, leading to residual myopia or even hyperopia (farsightedness). In some cases, a second procedure may be necessary.
4. Flap Complications: During LASIK, a flap is created in the cornea. Complications related to this flap, such as dislocation or infection, can occur, although they are rare.
5. Regression: Over time, some patients may experience a regression of their vision, meaning that their myopia may return to some degree.
Costs of Laser Treatment
The cost of LASIK surgery can vary widely based on several factors, including the surgeon's experience, the technology used, and the geographical location of the clinic. On average, LASIK surgery in the United States can range from $2,000 to $3,000 per eye. It's important to inquire about what is included in the price, such as pre-operative evaluations, post-operative care, and any potential enhancements.
Considerations Before Proceeding
Before deciding on laser treatment, it is crucial to have a comprehensive eye examination by a qualified ophthalmologist. They will assess your overall eye health, the thickness of your cornea, and any other factors that may affect your candidacy for LASIK. Additionally, discussing your expectations and any concerns you may have about the procedure is essential.
Alternatives to LASIK
If LASIK is not suitable for you, there are alternative treatments available, such as:
- PRK (Photorefractive Keratectomy): Similar to LASIK but does not involve creating a flap. It may be a better option for individuals with thinner corneas.
- ICL (Implantable Collamer Lens): A lens is implanted in the eye, which can correct myopia without reshaping the cornea.
- Orthokeratology: A non-surgical option that involves wearing specially designed contact lenses overnight to temporarily reshape the cornea.
Conclusion
In summary, laser treatment for 400 diopters of myopia can be an effective solution, but it is essential to weigh the potential side effects and costs. Consulting with an experienced eye care professional will help you make an informed decision tailored to your specific needs and circumstances. Always remember that while laser surgery can significantly improve vision, it is not a guarantee of perfect eyesight, and understanding the risks involved is crucial for a successful outcome.
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