Elsevier

Ophthalmology

Volume 111, Issue 8, August 2004, Pages 1550-1556
Ophthalmology

Original article
The emotional impact of amblyopia treatment in preschool children: Randomized controlled trial

Poster presented at: American Academy of Ophthalmology Annual Meeting, November, 2001; New Orleans, Louisiana. Orally presented at: British Orthoptic Society Annual Scientific Conference, July, 2002; Chester, United Kingdom.
https://doi.org/10.1016/j.ophtha.2003.12.059Get rights and content

Abstract

Purpose

To investigate the emotional status of children undergoing active treatment for amblyopia.

Design

Postal survey, in the context of a prospective, multicenter, randomized controlled trial.

Participants

Parents of 177 children with a unilateral visual impairment referred from preschool vision screening. The children had been recruited to a randomized controlled trial of treatment for unilateral visual impairment and randomly assigned to receive either glasses with or without patches, glasses alone, or treatment deferred for 1 year.

Methods

A self-completion questionnaire, including a psychometric behavioral scale, was sent to the parents of all children recruited to the trial at age 4 years, to 66 whose deferred treatment began at age 5 years, and finally to 151 remaining in the trial at the end of follow-up.

Main outcome measures

Mean scores per treatment group on the Revised Rutter Parent Scale for Preschool Children. Comparison of parent responses to questions assessing the child's general well-being and difficulties associated with treatment.

Results

Completed questionnaires were returned for 144 of 177 (81%) children at a mean age (standard deviation) of 48 months (5.0), for 45 of 66 (68%) at a mean age of 61 months (5.8), and for 78 of 151 (52%) at a mean age of 67 months (5.0). Most parents reported having difficulty with patching their child regardless of age (77% at age 4 years and 73% at age 5 years), with fewer reporting difficulties with glasses alone (42% and 53%, respectively). Children were significantly more upset by patching than by glasses only (chi-square test, P = 0.03 for age 4 years and P = 0.01 for age 5 years), as were the parents of 4-year-olds (chi-square test, P = 0.01). Most parents thought their children were happy, cooperative, and good tempered, and behavioral scores did not differ between treatment groups.

Conclusions

Treatment for unilateral visual impairment is not easy to implement and is commonly associated with some degree of distress. Despite this, no impact on the child's global well-being or behavior was seen either during or after the treatment period.

Section snippets

Materials and methods

This study was approved by the UK, Northern and Yorkshire, Multicentre Regional Ethical Committee.

Results

Questionnaires were sent for all 177 trial subjects 3 months after recruitment, and 144 (81%) were returned. The mean age (standard deviation [SD]) of the children at this stage was 48 (5.0) months; there were 73 boys and 71 girls. At the end of the deferral period, questionnaires were sent for 66 children who had been prescribed treatment of glasses with or without occlusion for the first time. Forty-five (68%) were returned at a mean age (SD) of 61 (5.8) months for 28 male and 17 female

Discussion

This study represents the first attempt to quantify the emotional impact of active orthoptic treatment for unilateral visual impairment in the context of a prospective randomized controlled trial. The intention to treat analysis between randomly allocated treatment groups at age 4 removed the possibility of selection bias. A valuable, but more limited, evaluation was possible for children treated at age 5 and for all children once treatment had stopped.

It is clear that many parents have some

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    Manuscript no. 23048.

    Supported by National Health Service Research & Development (grant no.: RRCC7R), Northern and Yorkshire Region, County Durham, United Kingdom.

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