Multifocal Toric IOLs: Correction Limits and Insurance Queries - Ophthalmology

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The corrective power of multifocal toric intraocular lenses?


Recently, I developed cataracts in my eyes.
I originally wanted to replace them with multifocal toric intraocular lenses, but my doctor told me that this type only corrects up to -8.00 diopters.
However, I saw a video on YouTube that mentioned lenses correcting up to -9.00 diopters.
Is it true that multifocal lenses can only correct myopia up to -8.00 diopters? Additionally, since I am under 55 years old and the National Health Insurance Bureau has already reviewed my case, will I need to undergo another review if I want to switch hospitals?

KK, 30~39 year old female. Ask Date: 2018/05/18

Dr. Cai Wenyuan reply Ophthalmology


Hello: You may inquire with the National Health Insurance Administration.
Wishing you peace and good health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/05/18

More Info


When it comes to multifocal toric intraocular lenses (IOLs), understanding their correction limits and insurance implications is crucial, especially for patients undergoing cataract surgery. Multifocal toric IOLs are designed to correct both presbyopia (the age-related loss of near vision) and astigmatism, providing patients with a broader range of vision without the need for glasses. However, there are specific limitations regarding the degree of refractive error that these lenses can effectively correct.

Typically, multifocal toric IOLs are available with a maximum correction limit for myopia (nearsightedness) around -8.00 diopters (D) to -9.00 D, depending on the specific lens model and manufacturer. The 800-degree (or -8.00 D) limit you mentioned is a common threshold for many multifocal toric IOLs. However, some newer models may offer correction for slightly higher degrees of myopia, potentially up to -9.00 D or even more, but this varies by product. It’s essential to consult with your ophthalmologist about the specific lens options available to you, as they can provide personalized recommendations based on your eye health and visual needs.

Regarding your question about insurance and switching hospitals, the process can vary significantly based on your location and the specific policies of your health insurance provider. In many cases, if you have already received approval from the health insurance bureau for a specific procedure at one hospital, you may need to undergo a new review if you decide to switch to a different hospital. This is because each facility may have different agreements with the insurance provider, and the new hospital may require its own assessment of your medical necessity for the procedure.

If you are considering changing hospitals, it is advisable to contact your insurance provider directly to inquire about the need for re-approval. They can provide you with the most accurate information regarding your coverage and any necessary steps you need to take. Additionally, your new hospital's administrative staff can assist you in understanding the insurance process and what documentation may be required for your cataract surgery with multifocal toric IOLs.

In summary, while multifocal toric IOLs typically correct up to around -8.00 D for myopia, advancements in lens technology may allow for higher corrections in some cases. Always consult with your ophthalmologist for the best options tailored to your specific vision needs. Regarding insurance, it is crucial to communicate with both your insurance provider and the new hospital to ensure a smooth transition and avoid any unexpected delays in your cataract surgery.

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