This prospective, single-center, nonrandomized comparative study evaluates 6-month ocular alignment and binocular visual function outcomes following combined accommodation and fusional training or prism correction in patients with small-angle acute acquired comitant esotropia. Treatment was selected through shared decision-making between the patient and the treating clinician according to the clinical presentation and patient preference.
Aged 10-40 years (including 10 years and 40 years);
Best-corrected visual acuity no worse than 20/20 for both eyes;
Deviation angle less than 15 prism diopters (including 15 prism diopters);
Organic eye diseases;
Lesions of the brain;
Receiving esotropia therapy(including surgery and prism treatment)
Devation angle reducing more than 10 prism diopters after refractive correction
Parallel
Vision therapy group
Other interventionaccommodation and vergence exercise
Prism
Other interventionwearing prism glasses
Change in deviation angle at distance and near
the deviation angle measured using the alternate prism cover test
Changes in stereopsis
Near and far stereopsis measured with Randot Stereotest pattern
Changes in accommodation facility
Accommodation facility measured with accommodative flipper
Changes in accommodation function
Accommodation function including accommodation amplitude, accommodation response, positive relarive accommodation, and negative relative accommodation measured with phoropter
Change in accommodation convergence to accommodation(AC/A) ratio
AC/A ratio measured with synoptophore
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