Xiao Ling, a Beijing girl who just graduated from Peking University, came to Shanghai to work for a famous foreign company. The doctor said that the fundus triple-lens examination revealed a band-like degeneration area in the lower temporal peripheral retina and a small dry retinal fissure in the middle of the degeneration area. Xiaoling was puzzled: How come she didn’t feel anything at all? Can I still do the excimer laser surgery? A retinal fissure is a full-length defect of the retinal neuroepithelium. A retinal fissure without vitreous traction only does not result in retinal detachment and is called a dry fissure. Research data show that in the general population, the incidence of retinal fissures is about 4-8%, and the higher the myopia, the greater the incidence, while the incidence of retinal detachment is only 0.5%-1%. Patients with peripheral retinal fissures are asymptomatic and can only be detected during dilated pupil examination, so most patients with retinal fissures are unaware of their retinal fissures. Therefore, fundus examination of myopic patients, especially highly myopic patients, should be taken seriously, and retinal laser photocoagulation is an effective preventive tool to close retinal fissures. The fissures with high risk of retinal detachment that need to be treated are: high myopia, covered horseshoe holes, and symptomatic retinal fissures. Besides, Xiaoling, can she still have excimer laser corrective myopia surgery? Since the retinal fissure was found, Xiaoling is in no hurry to undergo excimer laser myopia correction surgery. She needs to undergo retinal laser photocoagulation to close the fissure first, and then consider myopia laser treatment surgery after 2 weeks depending on how the fissure heals. Although LASIK (excimer laser in situ keratomileusis) is currently the mainstay of excimer laser refractive error correction, LASEK (excimer laser epithelial subflap keratomileusis) is safer and more resistant to strenuous sports and external forces than LASIK. Xiao Ling’s case is suitable for LASEK surgery because the negative pressure on the vitreoretinal retina during LASIK may enlarge the existing retinal fissure and increase the risk of retinal detachment, and because LASEK surgery does not use a microkeratome to cut the cornea, it is less risky. The epithelial flap is created and preserved by infiltrating the corneal epithelium with an appropriate concentration of ethanol, and then the epithelial flap is lifted and excimer laser cutting is performed on the anterior elastic layer of the cornea underneath according to the designed myopia. LASEK is a superficial corneal cutting procedure, which requires a high level of surgical skill, but has the advantage of being very safe and may be a better choice for those who are in the military, athletes, and other practitioners with high levels of confrontation. In conclusion, the primary goal of excimer laser myopia correction surgery is to improve naked eye vision and remove the myopic patient’s dependence on glasses, but the excimer laser does not directly affect the occurrence of retinopathy. Strict preoperative examination and evaluation, reasonable surgical design, standardized operating procedures and a comprehensive postoperative follow-up system are important to achieve high quality surgical outcomes. Whether you choose LASIK or LASEK surgery, in addition to the examination of the condition of the anterior segment of the eye, you should regularly review the retinal condition of the fundus after surgery, especially for those who have retinal fissures before surgery, so that problems can be detected and treated in a timely manner.