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  Citation statistics : Table of Contents
   1994| January-March  | Volume 42 | Issue 1  
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Eales' disease
Taraprasad Das, Jyotirmay Biswas, Atul Kumar, PN Nagpal, P Namperumalsamy, Bijayananda Patnaik, HK Tewari
January-March 1994, 42(1):3-18
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Selection of surgical technique for retinal detachment with coloboma of the choroid
Subhadra Jalali, Taraprasad Das
January-March 1994, 42(1):27-30
Four eyes with rhegmatogenous retinal detachment and coloboma of the choroid were managed by conventional scleral buckling (one eye); scleral buckling combined with lensectomy, vitrectomy, and fluid-air exchange (two eyes); and vitrectomy, silicone oil injection without scleral buckling (one eye). Retinal break was seen within the coloboma in two eyes, at the periphery in one eye, and, both in the coloboma and periphery in one eye. At a follow-up of 15 months, the retina was found attached in all the patients. The success of these surgical procedures could be attributed to careful preoperative/intraoperative fundus examination and individualised surgical planning
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Collaborative eales' disease study
Taraprasad Das
January-March 1994, 42(1):1-1
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Practical aspects in the setting up of a vitreo-retinal unit
Lingam Gopal
January-March 1994, 42(1):37-42
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New tumours in non-enucleated eyes of bilateral retinoblastoma patients
TK Roysarkar, Jyotirmay Biswas, Lingam Gopal
January-March 1994, 42(1):19-22
Forty non-enucleated eyes with bilateral retinoblastoma which were treated by external beam radiation therapy (EBRT), transconjunctival cryopexy, and photocoagulation were retrospectively analysed for the age of onset and location of new intraocular tumours. Of these 40 eyes, 9 (22.5%) eyes developed 17 new tumour foci over a mean follow-up of 3 years. The risk of new tumour formation was age-related being 47% in children with age at onset of retinoblastoma less than 1 year compared to 4.4% in older children (P < 0.001). Four eyes (44%) had 2 episodes of tumour formation. All tumour foci developed within 11 months of initial treatment at an average episode interval of 4.0 months. In 89% of cases, new lesions ceased to occur by 18 months of age. Our study clearly shows that EBRT did not prevent development of new lesions. The tumour islands which developed in the peripheral retina in 88% of cases were successfully treated with transconjunctival cryopexy. In 8 cases (89%), the eye could be salvaged. All young bilateral retinoblastoma patients should undergo frequent periodic detailed examination of the retinal periphery with 360 degrees scleral depression to pick up new tumour lesion early and to treat them effectively with simple globe saving methods.
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Metabolic factors in the development of retinopathy of juvenile-onset type I diabetes mellitus
PK Khosla, K Sharma, HK Tewari, JS Bajaj, MC Vaidya
January-March 1994, 42(1):23-25
Thirty-five patients of insulin-dependent diabetes mellitus (IDDM) were investigated for the effect of various metabolic factors on retinopathy. The severity of retinopathy increased with duration and age of onset of IDDM. Degree of glycaemia (fasting blood sugar, FBS) was similar in patients with or without retinopathy. All IDDM patients as a group showed severe carbohydrate intolerance with lower basal and post glucose serum immunoreactive insulin (IRI) levels and serum C-peptide radioimmunoreactivity (CPR) as compared to controls. The insulin secretory response was similar in no retinopathy, mild retinopathy and severe retinopathy groups. Patients with retinopathy had higher incidence of hyperlipidemia but mean serum levels of cholesterol and triglyceride were similar. This study does not suggest a direct relationship between the various metabolic factors studied and retinopathy due to IDDM
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Experimental inhibition of proliferative vitreoretinopathy in retinal detachment using daunorubicin
Atul Kumar, HK Tewari, DP Bathwal, PK Khosla
January-March 1994, 42(1):31-35
Proliferative vitreoretinopathy (PVR) remains the most common cause of failure in retinal detachment surgery. Surgical procedures for its repair entails complex and extensive instrumentation besides technical skill. The success rate varies widely with high incidence of redetachment. Keeping this in view, we evaluated the role of intravitreal daunorubicin as an anti-mitiotic agent in the inhibition of PVR. Our study concluded that 5 micrograms of intravitreal daunorubicin effectively inhibited PVR in the rabbit eye and the dosage was safe and nontoxic. The half-life of the drug was determined to be about 140 minutes, suggesting a prolonged intravitreal concentration sufficient to prevent fibroblast proliferation
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