الفهرس 
Materials and methodsOnly 14 pages are availabe for public view
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Abstract
The aim of this work is to find out the incidence
Of anisometropia of more than one diopter in children up to twelve years old, and training of amblyopic cases by the CAM visual stimulator to see its value in impro-ving these cases.
We refracted 1854 children from the opthalmic out patient clinic of Benha university hospital and from
primary school children.
Anisometropic cases were studied as following:-
1-History: Name, age and sex taking in considera-
tion consanguinity between the parents.
2-General ophthalmological examination:-
Measurement of the visual acuity of each eye. Fundus examination and retinoscopy under atro-pine sulphate eye ointment.
3-Binocular vision (Suppression and fusion) was tested for amblyopic cases by the Worth’s four
dot test.
We prescribed ordinary glasses for amblyopic cases to be used for two weeks before starting the training of these cases by the CAM visual stimulator.
We fixed the duration of each training session to be 15 minutes. The course of the treatment is five sessions spaced every other day.
During each session we begin with the faintest grating for which the child can identify with the non-amblyopic eye occluded, then we go from this grating to the faintest one.
At the end of the fifth session, the final visual acuity of the amblyopic eye is recorded and the con-dition of binocular vision is tested.
We tested for stereopsis by the Random Dot E
test.
We gave occlusion therapy for some of the amb-lyopic cases and the occlusion was terminated when the visual acuity of the amblyopic eye showed no
appreciable improvement in two successive weeks, then we started training of these cases by the CAM visual
stimulator with intermittent occlusion of the non-
amblyopic eye in order to see if it makes much more improvement than occlusion alone.
We found that the incidence of anisometropia of more than one diopter is 14.185%, and it is more common in females than males (58.56% and 41.44% res-pectively), and of the anisometropic cases 19.77% have a consanguinity between their parents.
Training of the amblyopic cases by the CAM visual stimulator improved the visual acuity of 40 out of 82 cases (48.78%) to 6/12 or more and 22out of the 82 cases (26.83%) were improved in their binocular vision.
Regarding the improvement in relation to the type of anisometropia, we found that myopic anisome-tropic amblyopes improved in visual acuity and bino-cular vision much more than hypermeteropic anisome-tropic amblyopes.
Training by the CAM visual stimulator after occlusion therapy improved 25% of cases by only one line in the test chart which is very slight improvement and none of these cases improved in their binocular vision.
We conclude that the CAM visual stimulator has its value of being a short term therapy and it avoids the discomfort of occlusion for children.