Titre du document / Document title

Randomised trial of effectiveness of second eye cataract surgery

Auteur(s) / Author(s)

LAIDLAW D. A. H. ⁽¹⁾ ; HARRAD R. A. ⁽¹⁾ ; HOPPER C. D. ⁽²⁾ ; WHITAKER A. ⁽¹⁾ ; DONOVAN J. L. ⁽²⁾ ; BROOKES S. T. ⁽²⁾ ; MARSH G. W. ⁽¹⁾ ; PETERS T. J. ⁽²⁾ ; SPARROW J. M. ⁽¹⁾ ; FRANKEL S. J. ⁽²⁾ ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

⁽¹⁾ Department of Ophthalmology, Bristol Eye Hospital, University of Bristol, Bristol, BS1 2LX, ROYAUME-UNI
⁽²⁾ Department of Social Medicine, Bristol Eye Hospital, University of Bristol, Bristol BS1 2LX, ROYAUME-UNI

Résumé / Abstract

Background The effectiveness of cataract surgery on one eye is well established, but concerns over healthcare expenditure have called into question the value of cataract surgery on the second eye. We examined the effects of second eye surgery in terms of patient perceptions as well as through visual acuity, contrast sensitivity, and stereoacuity tests. Methods 208 otherwise healthy patients awaiting second eye cataract surgery were recruited into our randomised trial. At randomisation participants were allocated expedited surgery (planned to take place within 6 weeks) or routine surgery (routine waiting time, 7-12 months). Assessments were made at randomisation and again at review after about 6 months. Eight primary trial outcomes consisted of four questionnaire items and four visual function tests, done with both eyes open. Findings Traditional clinical tests of success in cataract surgery (visual acuity and contrast sensitivity) showed only slight differences in binocular vision in favour of the expedited-surgery group. There were major benefits for the expedited-surgery group in terms of reported visual symptoms and effects on quality of life. At review, differences in self-reported vision related difficulties between the two groups ranged from 11% (95% CI 4.4-17%, activities) to 30% (19-41%, reading). Stereoacuity was better in the expedited surgery group, the difference between the groups for the proportions with stereoacuity of 3000 s of arc or worse was 58% (47-69%). Interpretation This trial has shown that there is a clear benefit from second eye cataract surgery.

Revue / Journal Title

Lancet   ISSN 0140-6736   CODEN LANCAO 

Source / Source

1998, vol. 352, n^o9132, pp. 925-929 (33 ref.)

Langue / Language

Anglais

Editeur / Publisher

Lancet, London, ROYAUME-UNI  (1823) (Revue)

Mots-clés anglais / English Keywords

Cataract ; Surgery ; Treatment ; Human ; Secondary ; Treatment efficiency ; Visual acuity ; Visual performance ; Binocular vision ; Exploration ; Eye disease ; Lens disease ; Anterior segment disease ;

Mots-clés français / French Keywords

Cataracte ; Chirurgie ; Traitement ; Homme ; Secondaire ; Efficacité traitement ; Acuité visuelle ; Performance visuelle ; Vision binoculaire ; Exploration ; Oeil pathologie ; Cristallin pathologie ; Segment antérieur pathologie ;

Mots-clés espagnols / Spanish Keywords

Catarata ; Cirugía ; Tratamiento ; Hombre ; Secundario ; Eficacia tratamiento ; Acuidad visual ; Eficacia visual ; Visión binocular ; Exploración ; Ojo patología ; Cristalino patología ; Segmento anterior patología ;

Localisation / Location

INIST-CNRS, Cote INIST : 5004, 35400007098750.0070