1) Vision defect 2) Visual defect 3) Visual disorder 4) Visual impairment 
• (a.) Of or pertaining to amblyopy.
Am'bly·op'ic adjective (Medicine) Of or pertaining to amblyopy. Quain. 
Type: Term Pronunciation: am′blē-ō′pik Definitions: 1. Relating to, or suffering from, amblyopia.
[adj] - pertaining to a kind of visual impairment without apparent organic pathology
amblyopia, amblyopic 1. An impairment of vision in one eye that is not caused by structural damage or a physical defect. 2. Impairment of vision without detectable organic lesion of the eye. 3. Poor vision caused by abnormal development of visual areas of the brain in response to abnormal visual stimulation during early development.
adjective pertaining to a kind of visual impairment without apparent organic pathology