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The in vivo reconstruction of conjunctiva was investigated by using modified poly(lactide-co-glycolide) (PLGA) 50/50 scaffolds. The porous PLGA matrices were prepared by a solvent-casting particulate-leaching method with NaCl, then modified with collagen, hyaluronic acid (HA) or/and human amniotic membrane (AM) component. The growth of corneal epithelial(More)
After n-heptanol removal of the total corneal epithelium and a limbal lamellar keratectomy, 23 rabbit eyes developed features of limbal stem cell deficiency including conjunctival epithelial ingrowth, vascularization and chronic inflammation. One month later, 10 control eyes received a total keratectomy, and 13 experimental eyes received additional(More)
PURPOSE To determine the correlative relationship between the prevalence of Demodex in eyelashes and the severity of ocular discomfort, by investigating the demographic epidemiology associated with Demodex. METHODS One hundred seventy patients underwent epilation of four eyelashes of each eye, and the number of Demodex was counted. The patients answered(More)
PURPOSE To compare the efficacies and safeties of Meditoxin (Medy-Tox, Korea) and Botox in the treatment of essential blepharospasm. METHODS We performed a double-blind, randomized, comparative trial comparing Meditoxin and Botox for treatment of blepharospasm in 60 patients from the intention-to-treat (ITT) population and 52 patients from the(More)
PURPOSE To describe the detailed surgical technique used for harvesting and transplantation of autologous nasal mucosa grafts for ocular surface reconstruction, to evaluate the clinical results and utility of autologous nasal mucosa grafts in ocular surface diseases. METHODS Autologous nasal mucosa was harvested from either the middle or inferior(More)
OBJECTIVE To determine whether amniotic membrane transplantation can be used to treat symptomatic bullous keratopathy displaying poor visual potential. METHODS Amniotic membrane transplantation was performed at 5 centers on 50 consecutive eyes (50 patients) with symptomatic bullous keratopathy and poor visual potential. The underlying causes of bullous(More)
Human amniotic membrane isolated from the placenta contained basement membrane components such as type IV collagen, laminin, and 6 and 4 integrins, all of which remained detectable while preserved in glycerin for one week. One month after the n-heptanol removal of the total corneal epithelium and the limbal lamellar keratectomy, all rabbit eyes carried(More)
PURPOSE To evaluate the changes in laser iridotomies, intraocular pressure (IOP), angle structures, and pupil diameter after implantable contact lens (ICL) (Version 4 Staar Surgical) implantation in myopic Asian eyes. SETTING Department of Ophthalmology, Chung-Ang University Yongsan Hospital, Seoul, Korea. METHODS The ICL was implanted in 81 eyes of 43(More)
To investigate whether bone marrow-derived cells are present in Mooren's ulcer and involved in its destructive and regenerative disease course, tissue specimens were collected from 3 eyes of 3 patients with Mooren's ulcer that underwent lamellar keratectomy. Three normal donor limbal corneoscleras served as controls. Immunohistochemical staining patterns(More)
PURPOSE To measure serum and tear nerve growth factor (NGF) concentrations in diabetic retinopathy (DR) patients to determine whether the NGF correlated with parameters associated with DR. DESIGN Cross-sectional comparative study. METHODS The study enrolled 254 DR patients and 71 nondiabetic controls. Patient demographic characteristics and diabetic(More)