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May 27, 2006
PTK reduces bullae formation, pain after cataract surgery
Ophthalmology Times May 15, 2006
New Delhi, India—In eyes with nonresolving corneal edema after cataract surgery, phototherapeutic keratectomy (PTK) appears to be effective for preventing progression to bullous keratopathy and for decreasing pain, reported Jeewan Titiyal, MD........"Pain is mitigated as a result of ablation of the subepithelial nerve plexus. In addition, by ablating Bowman's membrane, the procedure results in increased adhesion between the epithelium and stroma, thereby reducing bullae formation. By reducing corneal thickness, the procedure is also thought to reduce the osmotic workload on the endothelium to enable the efficacy of dehydration by the remaining endothelium and thereby reduce epithelial edema and decrease or stabilize corneal thickness," Dr. Titiyal said.
Posted by mehdi khanlari at May 27, 2006 09:12 PM