Sudarshan Kumar Khokhar

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UNLABELLED Clonidine prolongs anesthesia and analgesia of local anesthetics in various neural blocks as well as the duration of retrobulbar block. We assessed the dose-response relationship of clonidine added to lidocaine in peribulbar block. Sixty patients undergoing cataract surgery were given peribulbar block with 7 mL of 2% lidocaine and hyaluronidase(More)
PURPOSE To evaluate the clinical profile, response to dexamethasone treatment and visual function outcome in Indian patients with acute optic neuritis. MATERIALS AND METHODS We conducted an observational study of patients with acute optic neuritis who were treated with intravenous dexamethasone (100 mg in 250 ml of 5% dextrose over 1-2 hours daily, for(More)
PURPOSE To assess the utility of polymerase chain reaction (PCR) in diagnosing fungal keratitis and compare its sensitivity and specificity with those of the conventional microbiologic techniques used in the authors' laboratory. METHODS A prospective nonrandomized investigation was undertaken at a tertiary-care ophthalmic facility to evaluate 40 eyes of(More)
PURPOSE To systematically evaluate the perception of psychosocial difficulties due to strabismus and the impact of corrective surgery in adolescents and young adults in India. METHODS Patients 15 to 25 years of age with childhood onset (< or = 5 years of age) of constant concomitant squint (> or = 30 prism diopters of deviation for distance) were included(More)
PURPOSE This study was designed to compare and evaluate the efficacy of amniotic membrane transplantation with the conventional management (tarsorrhaphy and bandage contact lens) in eyes with refractory neurotrophic corneal ulcers. METHODS Thirty eyes of 30 patients (14 females and 16 males) with neurotrophic corneal ulcers refractory to medical(More)
PURPOSE Evaluation of efficacy of autologous platelet-rich plasma eyedrops as an adjunct to standard medical treatment as compared with standard medical treatment with artificial tears in acute ocular chemical injury. METHODS Twenty eyes with grade III to grade V chemical injury were randomly assigned to 2 groups. Group I (10 eyes) received autologous(More)
Clonidine added to local anaesthetics prolongs the duration of anaesthesia and analgesia of peripheral, neuraxial and retrobulbar blocks. The present randomized blinded controlled study was conducted to evaluate the effect of the addition of clonidine to local anaesthetic mixture on the quality, onset time, duration of peribulbar block, perioperative(More)
PURPOSE To report the outcome of combined excision, cryotherapy, and antimetabolite treatment of recurrent ocular surface squamous neoplasia. METHODS The patients with recurrent ocular surface squamous neoplasia were treated by excision of lesion, cryotherapy of limbus, and conjunctival margin followed by 0.02% Mitomycin C application at the time of(More)
PURPOSE To evaluate results of lamellar keratoplasty in limbal dermoid. METHODS The ocular records were reviewed of 155 consecutive eyes with solid epibulbar dermoids that underwent lamellar keratoplasty at Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences from 1977 to 1998. According to the size and location, the(More)