Authors
Richard J C Bowman, Joy Kabiru, Guy Negretti, Mark L Wood

Outcomes of bilateral cataract surgery in Tanzanian children

publication date
2007 Apr 19
Category
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Abstract/Introduction

Objective: To investigate outcomes of bilateral pediatric cataract surgery in east Africa.

Design: Retrospective interventional case series.

Participants: Two hundred forty-three children who underwent bilateral cataract surgery at the Comprehensive Community-Based Rehabilitation for Tanzania Disability Hospital between 2001 and 2004.

Methods: Demographic, surgical, preoperative, and postoperative clinical characteristics obtained from patient records were entered into a database (Microsoft Excel; Microsoft, Redmond, WA), and statistical analysis was conducted using SPSS software for Windows (SPSS, Inc., Chicago, IL).

Main outcome measures: Postoperative visual acuities and factors affecting them and postoperative refraction results.


Conclusion/Results

Results: Intraocular lenses were inserted in the first eyes of 232 children (149 Alcon AcrySof [Alcon Laboratories, Fort Worth, TX], 83 polymethyl methacrylate [PMMA]). Fifty-eight (62%) of 94 patients with final follow-up acuities recorded in both eyes achieved 20/60 or better in their better eye and 13 (13%) of 94 patients were blind. Of the various predictors of good visual outcome identified for children or eyes, only absence of preoperative blindness (odds ratio [OR], 7.3; 95% confidence interval [CI], 3.0-18.0; P<0.0005) remained significant in a multivariate logistic regression model. One hundred nine (51%) of 212 refracted first eyes had early postoperative refractive error spherical equivalent magnitudes of 2 diopters (D) or more. Ninety-nine (47%) of 212 eyes had initial postoperative cylinders of 3 D or more, dropping to 30 (18%) of 164 of those who had later follow-up refraction. Presence of biometric data was not associated with smaller postoperative refractive errors. Eyes with AcrySof lenses were less likely (OR, 2.5; 95% CI, 1.04-6.06) to have more than 3 D of astigmatism at latest follow-up. AcrySof lenses also were more likely (OR, 2.1; 95% CI, 1.2-3.7) to be fixated in the bag than PMMA lenses. Acute fibrinous uveitis occurred in 30 cases (12%), and transient corneal haze occurred in 20 cases (8%). Twenty-seven (11%) had chronic complications, 69 (28%) underwent a further general anesthetic procedure, and 9 (4%) underwent yytrium-aluminum-garnet capsulotomy.

Conclusions: Preoperative blindness was the strongest predictor of poor postoperative visual outcome; the use of AcrySof lenses as opposed to PMMA lenses made in-the-bag fixation more likely and also reduced postoperative astigmatism.


Testimonials


Vision therapy is well worth the response, time and effort. Our Son had a hard time focusing and writing neatly. After vision therapy Seth could complete a task in half the time if previously took. His abilities to focus improved greatly and so did his handwriting.

Also, he was better at listening. As a parent, we wanted learning to be fun for our Son, and vision therapy made this possible.


Amanda T.

Vision Therapy is well worth the expense, time and effort. Our son had a hard time focusing handwriting neatly. After vision therapy Seth could complete a task in half the time it previously took his abilities to focus and improved greatly and so did his handwriting.

Also, he was better at listening. As a parent you wanted learning to be fun for our son and vision therapy made this possible.


Alexa H.

Vision Therapy has given or son the tools he needs to be able to scan and read the written word more effectively and efficiently.

He love working with John and these working sessions give him the motivation to gladly work on his homework assignments.

It amazed us to see the difference in the tracking of his eyes and along a line of it's from the beginning to the end of the treatment.

Dr. McBryar , Kristen and John  are all marvelous and we would recommend them to anyone I only wish that we would have found them sooner!


Charlotte M.

Prior to coming to the institute for vision development my son complained of daily headaches. Therapy has eliminated his headaches completely. I love knowing my son is able to learn pain-free for the rest of his life because of the work that has been done over just a few weeks in this office. He he absolutely loved coming that didn't even feel like going to a doctor or therapy. We are grateful for the relief he was able to find by coming here.

Thank you!


Olivia C.

Seems much less frustrated with life

Reads non-stop and fast

Spelling abilities have been hugely improved

Seems much more confident

Thank You!!!


Kelly O.

When we first came to the practice, my son did not have huge issues, but lots of small ones- trouble with reading, sports (hitting the baseball consistently), coordination, etc- that were not easily detectable,but when put together presented issues. The staff here were all very professional and loving towards him. While I was concerned in the reading, my son was concerned with the athletic side. Seeing improvement night off the bat gave him confidence that i have nor seen in him and made him want to not only Come to therapy, but also made him want to work hard. He has surpassed his grade level and above in reading and hit his first home run this year! Thank you!!!


Alice M.
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