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British Journal of Ophthalmology 2006;90:1-2; doi:10.1136/bjo.2005.082040
Copyright © 2006 by the BMJ Publishing Group Ltd.
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EDITORIAL

Primary angle closure

Lens extraction in primary angle closure

W Nolan

Correspondence to:
Correspondence to:
Dr Winifred P Nolan
Department of Ophthalmology, National University Hospital, 5 Lower Kent Ridge Road, Singapore 138686; winnie_nolan@yahoo.com

Role debated over many years

Keywords: primary angle closure; lens extraction

The first 150 words of the full text of this article appear below.

The crystalline lens has a pivotal role in primary angle closure (PAC), both in the pathogenesis of pupil block1 and by exacerbating the effect of non-pupil block mechanisms such as peripheral iris crowding. Eyes with angle closure tend to have shallow anterior chambers and thick, anteriorly positioned lenses when compared with normal eyes.2–5 Removing the lens creates more space in the anterior chamber and widens the angle, which may be enough to achieve intraocular pressure (IOP) control.6 The role of lens extraction as a treatment for angle closure has been debated for many years. But with the knowledge that the lens is the single most important contributing factor to the angle closure process, and having acquired the technology and skills to perform relatively safe small incision cataract surgery, should we now be thinking about performing early lens extraction in angle closure patients with the aim of preventing . . . [Full text of this article]


Relevant Article

Visual acuity after acute primary angle closure and considerations for primary lens extraction
G S W Tan, S-T Hoh, R Husain, G Gazzard, F T S Oen, S K L Seah, and T Aung
Br. J. Ophthalmol. 2006 90: 14-16. [Abstract] [Full Text] [PDF]





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