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Limbal stem cell transplantation and amniotic membrane transplantation in treatment of recurrent pterygium compared

. 50D ~ a 11.00D, astigmatism was 0 ~-2.5D. There was no significant preoperative surgical contraindications. IASIk surgery company with NIDEK EC-5000CXII type MK-2000 excimer laser and microkeratome lamellar automatic knife, according to Jia-Qi Chen and Lian fl wells and other financial and other 【3l reported surgical methods and procedures for surgery. 2. Treatment; after review, fluorescein staining of corneal flap edge. This 7N were found in the week after the endogenous corneal epithelial flap, in which the first postoperative day 2. By Ivor Long eye drops before eye 4 times a day, close observation of staining and found that the scope of progressive expansion of staining, more than one quadrant time of 10-45 days, at this time to re-open the flap, scraping membrane implant tissue,[link widoczny dla zalogowanych], washing between layers, to reset the corneal flap, drops antibiotic eye drops and wearing goggles. 3. The scope of the staining results when more than one quadrant or surgical treatment, 13 eyes with normal corneal flap healing. Followed up 1 to 12 months, 12 eyes had no recurrence of corneal epithelial endogenous corneal flap restore transparency, access to 0.6-1.0 uncorrected visual acuity; a recurrence 20 days after operation, consider the scrape rinsing is not complete, again PTK-line treatment for 6 months, the corneal flap restore transparency, uncorrected visual acuity of 0.8. Observation, we found that the endogenous epithelial range ≥ 2ram,[link widoczny dla zalogowanych], fluorescence staining of more than one quadrant, 6 cases of this type, the other 7 cases more than one quadrant, fluorescein staining, the epithelial range close to the endogenous 1.7-2.0ram. The 7 patients were treated with drug therapy can not be effectively controlled, expanded and stained area of the development of epithelial ingrowth. 4. Discussion: LASIK surgery corneal epithelial implantation rate was 2-10% i41o corneal epithelial cells may enter the layer from the following ways: (I) epithelial cells from human corneal flap edge length; (2) lamellar epithelial cells when cutting by the microkeratome Author: 448000 Jingzhou,[link widoczny dla zalogowanych], Jingmen First People's Hospital myopia laser center Corresponding author: Chien of clinical reports with people; (3) corneal bed during the washing liquid will lead people to corneal epithelial cells. Endogenous epithelium occurred in about a week after surgery, common in the corneal flap edge, the gradual growth of the layer, can be self-limiting in most cases, a small number of rapid growth, can cover the entire corneal layer bed, causing irregular astigmatism, decreased visual acuity, foreign body sensation, and even lead to corneal flap edema, melting. Treatment and more comprehensive consideration of the range of endogenous corneal epithelium, the lesions progress, the decline in best corrected visual acuity and uncorrected visual acuity levels and other factors 【5l. After the early detection of drug treatment are first, when the diameter range of endogenous epithelial ≥ 2ram, and the disease progresses rapidly to immediately underwent surgery. Early prompt surgical treatment can reduce edema, corneal flap melting occurrence probability. LASIK surgery using corneal fluorescein staining epithelial flap edge is smooth, the edge of fluorescein from the cornea caused by infiltration of corneal staining, to help students find the location within the cornea. For most scholars put forward in the scope of more than 2mm of endogenous corneal surgery as a pointer, we observe that, because no scales slit lamp, corneal epithelial ingrowth is ≥ 2mm diameter not easy to quantify for beginners. We use the edge of corneal fluorescein staining color range to more than one quadrant as a surgical pointer method is simple and easy to observe, quantify the timely and accurate in time, easy to grasp. At this point the relative health of the corneal flap, after shave after washing vast majority of implants return to normal. Observed in patients screened by this method can avoid the late timing of surgical corneal flap edema melting occurred resulting in serious complications.
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