The Greek noun blemma (βλέμμα) refers to a look, a glance, or the act of seeing. It is derived from the verb blepō (G991, to see/look). This hapax legomenon appears only once in the New Testament (2 Peter 2:8), where it describes how Lot's righteous soul was tormented by what he saw and heard in Sodom daily.
The single appearance of blemma in 2 Peter 2:8 is theologically striking: Lot's righteousness is confirmed despite his troubling choice to dwell in Sodom. His righteous soul was daily tormented by the "lawless deeds" he witnessed. This affirms that spiritual sensitivity is a mark of righteousness — the righteous cannot become comfortable with evil. It also establishes that dwelling among evil without participating in it is possible but costly. This passage is part of Peter's broader argument about God's ability to rescue the godly and judge the wicked — a comfort for believers facing persecution or moral corruption in their environments.