corrosive substance can cause harm to the eyes
corrosive is compound. cyanide is not chemically_harmful_substance. choking_agent is chemically_harmful_substance. eyelessness is blindness. eyelessness is not blindness. cyanide is chemically_harmful_substance. isometropia is not eye_condition. corrosive is not compound. isometropia is eye_condition. nitric_acid is toxic_substance.