Comparing INTRALASE and B&L Technolas for Laser Eye Surgery - Ophthalmology

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Myopia laser surgery


Hello, doctor.
Could you please tell me which is better, the INTRALASE femtosecond laser or the B&L Technolas 217z100 laser for myopia? What are the differences between them? After undergoing laser eye surgery, is there a risk of the corneal flap being dislodged? Which procedure is considered safer? Do you have any recommended doctors in Kaohsiung? Thank you!

han, 20~29 year old female. Ask Date: 2011/09/21

Dr. Gao Pilin reply Ophthalmology


INTRALASE femtosecond laser refers to a method of creating a corneal flap using laser technology instead of a blade.
In contrast, the B&L Technolas 217z100 laser system from Bausch & Lomb requires a blade to cut the corneal flap.
Immediately after laser surgery, there is a risk of the flap dislocating if there is any impact.
Once the cornea stabilizes postoperatively, the flap is generally not easily dislodged unless subjected to significant trauma.
The key to the success of LASIK refractive surgery lies in the creation of the corneal flap.
The risk of failure in creating a blade-free corneal flap is lower.
I apologize for not being able to provide more detailed information, as I do not have experience operating either of these machines.
Thank you for your inquiry.

Reply Date: 2011/09/21

More Info


When considering laser eye surgery options, particularly between INTRALASE and B&L Technolas 217z100, it's essential to understand the fundamental differences and implications of each technology. Both systems are designed to correct refractive errors such as myopia (nearsightedness), but they utilize different methods for creating the corneal flap, which is a critical step in LASIK surgery.

INTRALASE (Femtosecond Laser): This technology employs a femtosecond laser to create the corneal flap without the use of a blade. The laser produces rapid pulses of energy that precisely cut the cornea, resulting in a flap that is typically thinner and more uniform than those created with a microkeratome (the blade used in traditional LASIK). The advantages of using INTRALASE include a lower risk of complications associated with flap creation, such as irregular flaps or incomplete cuts. Additionally, the precision of the femtosecond laser allows for a more customized flap, which can lead to better visual outcomes and a potentially quicker recovery time.

B&L Technolas 217z100 (Microkeratome): This system uses a mechanical blade to create the corneal flap. While this method has been widely used and is effective, it carries a slightly higher risk of flap-related complications compared to the INTRALASE method. The microkeratome can sometimes produce flaps that are irregular or too thick, which may affect the healing process and visual outcomes. However, many surgeons are experienced with this technology, and it remains a viable option for many patients.

Risks of Flap Displacement: After LASIK surgery, there is a potential risk of flap displacement, particularly in the early postoperative period. If the flap is not adequately secured or if there is trauma to the eye, the flap can become dislodged. With INTRALASE, the risk of flap-related complications is generally lower due to the precision of the laser. Once the cornea has healed and stabilized, the risk of flap displacement decreases significantly. Patients are advised to avoid any activities that could lead to eye trauma during the initial healing phase.

Safety Considerations: Both procedures are considered safe, but INTRALASE may offer a slight edge in terms of safety due to its bladeless approach. The choice between the two often depends on the surgeon's expertise, the specific needs of the patient, and the overall health of the patient's eyes. It is crucial to have a thorough preoperative evaluation and discuss all options with a qualified ophthalmologist.

Recommendations for Surgeons in Kaohsiung: While I cannot provide specific names of surgeons, I recommend seeking out ophthalmologists who specialize in refractive surgery and have experience with both INTRALASE and B&L Technolas systems. Look for clinics with good reviews, advanced technology, and a comprehensive approach to patient care. It’s also beneficial to consult with multiple surgeons to find one that you feel comfortable with and who can address your specific concerns.

In conclusion, both INTRALASE and B&L Technolas have their advantages and disadvantages. The choice between them should be made based on a thorough discussion with your eye care professional, considering your individual circumstances, the surgeon's experience, and the specific technology available at the clinic. Always prioritize safety and the potential for optimal visual outcomes when making your decision.

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