"Xray eye" is a term used to describe someone with exceptional observational skills. Some synonyms for this term include "eagle-eye," "keen eye," "perceptive vision," and "sharp-sighted." Other related terms might include "discerning," "attentive," or "observant," which all describe someone who is particularly skilled at noticing details. More metaphoric synonyms might include "laser-focused," "clairvoyant," or "reconnaissance specialist." No matter which term you choose, it's clear that someone with an "xray eye" or any of its synonyms would be an asset in any field that requires close attention to detail, such as scientific research, law enforcement, or artistic endeavors.