Indications for surgery: 1. Reduced vision secondary to: Threatens visual axis: Pterygium advancing toward or already impinging visual axis Induced astigmatism: Due to flattening of meridian of pterygium by fibrosis in atrophic stage 2. Cosmesis 3. Significant discomfort not relieved by medical therapy 4. Diplopia: Resulting from limited ocular motility…
Category: Surgical Skills
Surgical instruments and surgical techniques
Surgical Skills
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External Dacryocystorhinostomy (DCR)
Definition External Dacryocystorhinostomy (DCR) is the surgery to connect the mucosal surface of lacrimal sac to the nasal mucosa by removing the intervening bone. It creates a permanent anastomosis between the lacrimal sac and medial meatus of nose. Prerequisite Common canaliculi must be patent Indications of External Dacryocystorhinostomy Nasolacrimal duct…
Surgical Skills
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Myringotomy and Tube Insertion
Synonyms: Of Myringotomy: Tympanotomy (Opening the middle ear cavity), Tympanostomy (Instillation of a ventillation tube), Myringocentesis Of Ventilation Tube (VT): Grommet, Pressure Equalization Tube, Ear tubes, Tympanostomy tubes Definition of Myringotomy Myringotomy is the incision on the tympanic membrane to remove accumulated fluid or to provide aeration in case of…