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Query: UMLS:C0086543 (cataract)
 29,165 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The goal of radiation therapy in pediatric cancer is to destroy cancer cells and preserve functional surrounding normal cells. Although all radiation for pediatric cancers does not result in complications of the eye, acute and long-term radiation effects can occur after treatment. Acute radiation effects to the eye include erythema, epilation, conjunctivitis, dermatitis, keratitis, corneal ulceration, iritis, and retinal edema. Long-term radiation effects include tissue necrosis, decreased tear production, telangiectasia, scleral melting, cataract, corneal neovascularization, radiation retinopathy, retarded bone growth (of bones within the irradiated field), and radiation-induced cancers. Nursing interventions and implications will be presented in conjunction with medical management for each of these acute and long-term effects.
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PMID:Acute and long-term effects of radiation therapy to the eye in children. 826 86

Of 141 patients who had clinically significant cystoid macular edema (CME) following cataract surgery, 42 had a visual acuity of 20/200 or worse. Logistic regression demonstrated that of all the systemic and ocular factors studied, the best predictors of visual acuity of 20/200 or worse were the presence of iris in the wounds (odds ratio = 2.86, P = .011) and a fluorescein angiogram grade of 4 (odds ratio = 2.91, P = .0076). Entering into the logistic regression variables such as integrity of the posterior capsule, iritis, vitreous in the wound, or type of intraocular lens did not significantly improve the ability of the model to predict which patients would have poor visual acuity. This study suggests that iris incarceration in the wound may have a more important association with poor vision in patients with chronic postsurgical CME than previously thought.
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PMID:Chronic cystoid macular edema and predictors of visual acuity. 832 8

A 36-year-old man was stung by a wasp OD. He became delirious and had dyspnea, ocular pain, and severely decreased visual acuity OD. A broken stinger was found in the central deep cornea. Additional ocular findings were keratitis, iritis, cataract, secondary glaucoma, and unrecordable electroretinographic responses.
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PMID:Wasp sting-induced retinal damage. 848 60

Iridectomy specimens from 59 leprosy patients who had adequate medical records of whom 33 belong to the lepromatous (LL) leprosy variety and 16 normal controls were studied histopathologically. All patients were bacteriologically negative and had received dapsone followed by multidrug therapy (MDT), or MDT only, or only dapsone for varying periods. It was found that leprosy, particularly lepromatous disease, did not significantly decrease the age of formation of cataract. Of the 33 LL patients studied 60.6% had silent iritis. The duration of treatment had no obvious influence on the persistence of iritis. Treatment with only 2 years of MDT for LL patients did not significantly increase the prevalence of persistent silent iritis compared to those who received other types of antileprosy therapy for long periods. It is pointed out that chronic iritis is a serious complication that continues even after the patient is declared clinically and bacteriologically cured, especially in patients who had a history of chronic iritis clinically.
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PMID:Silent iritis in treated bacillary negative leprosy. 886 65

Recombinant tissue plasminogen activator (rTPA) is commonly used in patients with myocardial infarction. Recently, it has also been applied intraocularly to dissolve postoperative fibrin with no serious complications being reported so far. In this study we describe our own experience with rTPA in 25 patients with persisting fibrinous membranes in the anterior segment. rTPA (Actilyse, Dr. Karl Thomae GmbH) was given in a single dose of 25 micrograms and injected into the anterior chamber via a paracentesis. We did not encounter any complications during the injection of rTPA. In 21 eyes fibrin could be reduced significantly, albeit sometimes only slowly. In 13 patients, the membrane had dissolved almost completely by the following day. In contrast, no success was observed after glaucoma surgery (2 eyes) and in chronic iritis (1 eye), or when fibrin mixed with blood was treated (1 eye). There were two (controllable) post-operative hemorrhages (rTPA after vitrectomy, and for fibrin/blood after cataract surgery). In addition, we noted 2 cases of irreversible superficial corneal clouding (rTPA after cataract surgery). We conclude that injection of rTPA can be a useful addition to steroid treatment in selective cases of persisting fibrin in the anterior segment. Long-standing membranes, however, are unlikely to be dissolved. Care should also be taken and rTPA be avoided when there is evidence of recent bleeding. Most worrying to us were the corneal complications that we cannot explain to date. With regard to the definite time correlation we feel that rTPA or one of the solution components might be the cause of this unusual feature.
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PMID:[Success and complications of rTPA treatment of the anterior eye segment]. 931 22

Responsibility for eye care of leprosy-affected persons should be shared between leprosy and eye care staff. Leprosy and PHC staff should be responsible for: treatment of reversal reactions in the face, and of recent lagophthalmos, with prednisolone, conservative treatment of mild lagophthalmos, referral of patients with severe lagophthalmos and/or exposure keratitis, unless there is sufficient expertise within the programme, recognition of the acute red eye and treatment of acute conjunctivitis, referral of all other conditions of acute red eye, unless there is sufficient expertise within the programme, recognition of severe visual impairment and referral as needed, recognition of the need for reading glasses in patients aged over 40 years, in rehabilitation services, encouraging medical colleges, Control of Blindness Societies, and staff of general eye care facilities, to actively take part in the treatment of eye complications in patients affected by leprosy, and encouraging charitable organizations to provide special eye care programmes for patients affected by leprosy, in particular for those who are disabled and are living in leprosy settlements. Eye care services (a visiting ophthalmologist or paramedical ophthalmic assistant to the specialized leprosy centres for consultation is an appropriate alternative and may sometimes be even more feasible) should take the responsibility for: eyelid surgery in patients with large lid gaps (> 6 mm), or, signs of exposure keratitis, and treatment and follow-up of acute iritis, corneal ulcers, foreign bodies, and other causes of 'the acute red eye', in cooperation with the leprosy service or PHC staff. The eye care services should offer 'positive discrimination' in the treatment of cataract-blind leprosy patients, realizing the great difficulties that these patients have in avoiding injuries or taking care of injuries once they have occurred, especially in the case of limbs that have lost protective sensation.
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PMID:Strategies for improvement of management of ocular complications in leprosy. 959 6

We report a patient with broad anterior synechias and corneal endothelial damage. The patient had chronic iritis and cataracts secondary to chronic iritis in both eyes. Because the right eye had broad anterior synechias and severe corneal endothelial damage, extracapsular cataract extraction and intraocular lens implantation were performed through the basal iris. Good postoperative visual acuity was obtained. The cornea showed little trauma from the surgery and remained clear 36 months postoperatively.
J Cataract Refract Surg 1998 Jul
PMID:Cataract surgery in a patient with severe chronic iritis and corneal endothelial damage. 968 4

The relationship between oral contraceptive (OC) use and eye disease was investigated through abstraction of salient data from the two large British cohort studies of the effects of OCs: the Royal College of General Practitioners' (RCGP) OC Study and the Oxford-Family Planning Association (FPA) Contraception Study. Together, these studies have accumulated over 850,000 person-years of observation since 1968 involving 63,000 women. The conditions considered in the analysis were conjunctivitis, keratitis, iritis, lacrimal disease, strabismus, cataract, glaucoma, retinal detachment, and retinal vascular lesions. The only eye disease for which there was consistent evidence of a notable increase in risk in OC users was retinal vascular lesions. The relative risk of retinal vascular lesions in OC users compared to never users was 2.0 (95% confidence interval (CI), 1.0-3.8) in the RCGP data set and 2.4 (95% CI, 0.4-9.2) in the Oxford-FPA Study. This increased risk was not concentrated in any one diagnostic category (e.g., retinal vascular occlusion, retinal vein thrombosis, retinal hemorrhage).
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PMID:Oral contraception and eye disease: findings in two large cohort studies. 1091 85

Multidrug treatment of leprosy is being dramatically successful in sterilising the infection. However complications are still occurring, spoiling the result in some patients by residual damage, including to the eye. Prevention of this damage is imperative. It is stressed that eye complications will only lead to loss of sight if they are neglected. The lesions caused by leprosy in the eye are briefly described. The dangerous lesions are lagophthalmos causing corneal exposure, and iritis causing pupil block glaucoma. Frequency of the lesions were very common in the past, but seem to be becoming much less so, though good epidemiological studies are sparse. Cataract, mostly not caused by leprosy, is the commonest cause of loss of vision. Prediction of complications would facilitate prompt treatment, but despite some clues, prediction is at present inadequate and all cases must be watched. The management of complications is discussed: studies of the indications and outcome of surgery for lagophthalmos, and of intraocular lens implantation for cataract are priorities. If knowledge is to be put into practice to prevent blindness, training of front line staff and organisation of the service is central. Experience of these practical aspects in Uganda in recent years is described.
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PMID:The 22nd Kellersberger Memorial Lecture, 1997. Preventing loss of sight from leprosy. 1021 41

A 79-year-old female with rheumatoid arthritis suffered from severe induced iritis with dense fibrinous pupillary membrane occlusion and high intraocular pressure (57 mmHg) following cataract surgery. We used a Nd:YAG laser technique to dissect and move the dense pupillary membrane away and avoid invasive surgical procedures. Postoperatively, we recorded IOP 14 mmHg and visual acuity 20/30.
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PMID:Treatment of fibrinous pupillary membrane occlusion following cataract surgery with microruptor laser. 1021 37


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