الفهرس 
Materials and methodsOnly 14 pages are availabe for public view
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Abstract
This study included 25 children (25 eyes), who were selected from The
out patient clinic of Ophthalmic Department of Banha Universty hospital
All eyes were operated upon by the manual extracapsular cataract
extraction technique, with primary implantation of a modified j-Ioop posterior
chamber lens.
It was noticed that all cases showed various grades of conjunctival
injection, striate keratopathy and corneal oedema, aqueous flare, early
postoperative anterior uveitis and iris pigment dispersion on the anterior
surface of the lens. All changes were resolved within few weeks after surgery
with the use of topical and systemic steroids and cycloplegics. The recorded
changes were usually follows an ordinary cataract extraction, but their
incidence was greater with lens implantation espescilly in younger age group.
We can safely say that, there were some permenant occular changes
which were observed, without showing serious ocular complications. These
changes includes pupillary capture in nine eyes and posterior synechiae in
eighteen eyes. These changes did not necessitate to give the patients any
medication and no surgical interference was done because, there was no
visual effect.
The intraocular pressure showed normal level in most of our cases
since carbonic anhydrase inhibitor was used ih the first postoperative week to
guard againest any rise of tension due to the use of a viscoelastic material.
Only, two cases showed mild elevation of 1.0.P., one case may be due to
improper washing of methyl cellulose and another case may be due to the use
of topical steroids. Both were treated successefully with timolol 0.50% eye
drops.
The visual outcome was encouraging in all cases, it was 6/18 or better
in 60% of cases and it was 6/24 or better in 84% of cases.However, a
significant visual improvement was achieved in 92% of cases.
from our results, the implantation of an intraocular lens in childrens
and young adults is more promising alternative in selected cases with unilateral
traumatic or congenital cataract. A useful vision was mentained in 92% of eyes.
However, the possible secondary changes or complications that may appear
many years after implantation still unknown and may presenting a problem.
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Although, the relative safety of the intraocular lens and the better visual
outcome demonstrated by this study which warrent further consideration of this
treatment, our data demonstrate the need for more frequent postoperative
follow-up of children after I.O.l. implantation especially during the first four
postoperative weeks. The frequent development of postpseudophakos
membranes and posterior capsular opacification raises the suggestions of
primary capsulotomy and anterior vitrectomy at the time of surgery.