在美国眼科医生学会网页看到一个问答:
Can I have LASIK after having radial keratotomy?AUG 14, 2014Question:I am 60 years old and had a successful radial keratotomy (RK) procedure (a surgery to correct nearsightedness) done in 1996. I now need corrective lenses again. Generally speaking, are previous RK patients ever eligible and appropriate candidates for a laser corrective procedure (LASIK)? I would like to correct my vision again so that I don't have to wear corrective lenses most of the time. I am a nurse and understand each case is individual. But I would like to know if I should even invest the time to pursue this.
Answer:RK patients can be eligible for a photorefractive keratectomy (or PRK, a surgery similar to LASIK that corrects refractive errors) but LASIK may be challenging as the RK cuts do not do well with the LASIK flap. PRK can be very effective in reducing refractive error after RK, but at age 60, the best solution is likely either waiting for cataract surgery or having a refractive lens exchange (RLE). The latter is like cataract surgery in which the crystalline lens that forms into a cataract later in life can be exchanged for a corrective lens implant. A variety of implants are available to correct vision. Your eye surgeon can discuss which one is best for your eye. The bottom line is that there are options for correcting your vision despite having prior RK surgery.Answered By: William Barry Lee MD
RK 患者可能有资格进行屈光性角膜切除术(或 PRK,一种类似于 LASIK 矫正屈光不正的手术),但 LASIK 可能具有挑战性,因为 RK 切口与 LASIK 皮瓣效果不佳。 PRK 可以非常有效地减少 RK 后的屈光不正,但在 60 岁时,最好的解决方案可能是等待白内障手术或进行屈光性晶状体置换 (RLE)。 后者就像白内障手术,其中在生命后期形成白内障的晶状体可以更换为矫正晶状体植入物。 有多种植入物可用于矫正视力。 您的眼科医生可以讨论哪一种最适合您的眼睛。 最重要的是,尽管之前做过 RK 手术,但仍有矫正视力的选择。