The phrase "perception issue" refers to a situation where people have different opinions or understandings about something because they see it or understand it differently. Full definition
I have a depth perception issue, and the lack of field - of - vision was hard for me. (autolist.com)
This is a psychological perception issue, but it's broadly true of humanity. (effectivecoverage.com)
This may mean an impaired sense of touch, spatial perception issues, vision problems, or an inability to differentiate between objects based on size, shape, or color. (grayandwhitelaw.com)