A 5-year-old male child was found to have strabismus in his right eye at the age of 1. His parents took the child to see a doctor at the age of 2. The doctor once recommended glasses, but the child did not wear glasses for treatment because he did not cooperate. There is no obvious organic disease in the eye examination, and the examination results are as follows:

Far naked eye vision: OD:0.2 OS:0.8

Near naked eye vision: OD:0.2 OS:0.8

Far eye position: 50 △ esotropia, alternating, right eye is the main strabismus

Near eye position: 50 △ esotropia, alternating, right eye is the main strabismus

Cycloplegia optometry:

OD:+2.50DS/-0.50DCX180 0.3

OS:+1.25DS 1.0

Worth 4 light on examination: right eye inhibition

Binocular stereopsis test: 800 ″

Fixation nature: central fixation

The preliminary diagnosis of this case is typical strabismus amblyopia