Clinical Study
Eye (2008) 22, 325–331; doi:10.1038/sj.eye.6702530; published online 20 October 2006
Hydroview lens implant calcification: 186 exchanges at a district general hospital
Declaration: This paper was presented in part at the ASCRS, Washington, April 2005 by TJR and the expenses were covered by Bausch & Lomb.
P Syam1, P Byrne1, G Lewis2, T Husain1, G Kleinmann3, N Mamalis3, D J Apple3 and T Rimmer1
- 1Eye Department, Peterborough District Hospital, Peterborough, Cambs, UK
- 2Eye Department, Addenbrookes Hospital, Cambridge, UK
- 3Laboratories for Ophthalmic Biodevices Research, Moran Eye Center, University of Utah Health Sciences Center, Salt Lake City, UT, USA
Correspondence: TJ Rimmer, Eye Department, Peterborough District Hospital, Thorpe Road, Peterborough, CambsPE3 6DA, UK. Tel: +44 1733 874018; Fax: +44 1733 874525. E-mail: timothy.rimmer@pbh-tr.nhs.uk
Received 7 February 2006; Accepted 14 June 2006; Published online 20 October 2006.
Abstract
Aim
This paper describes the experience at a district general hospital of coping with an abrupt onset of calcification of Hydroview intraocular lens (IOL) implants requiring exchange surgery mostly for symptoms of glare, even though the visual acuities were relatively good.
Methods
In this retrospective study, the operative details of 174 consecutive lens exchanges by one surgeon were retrieved from the surgeon's notes. Of these, pre and post-operative details of 106 consecutive patients were obtained from the hospital notes.
Results
Of the 174 lens exchanges, all were sutureless except one and 31 eyes (18%) had had previous capsulotomies. Of 143 eyes with intact posterior capsules, eight (5.6%) needed anterior vitrectomy. Lens replacements were in the bag in 136 (95%), in the sulcus in five (3.5%), and in the anterior chamber in two (1.5%). Of the 31 eyes with previous capsulotomies, 10 (32%) needed anterior vitrectomy. Lens replacements were in the bag in 22 (71%) and in the sulcus in the remaining nine cases (29%). Postoperatively the best-corrected visual acuity was improved in 53%, remained the same in 35%, and deteriorated in 12%.
Conclusion
The lens exchange procedure was mostly predictable with satisfactory visual results allowing preoperative counselling of risks to be similar to that for cataract surgery. The onset and resolution of the period of implantation of lenses requiring exchange has not been explained.
Keywords:
Hydroview, lens, implant, exchange, calcification
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