We don't have synonyms for gravel-blind yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are gravel blind.
°Having a less than normal ability to distinguishcolors. There are several different forms of this usually genetic condition, and different forms determine which colors are indistinguishable.
"Frank was colorblind and had sewn small labels into his clothes to help him pick matching combinations."
°(US) Referring to a policy that does not discriminate on the basis of race or skin color.
"As a result of the lawsuit, the school adopted a colorblind admissions policy."
°Having a less than normal ability to distinguishcolors. There are several different forms of this usually genetic condition, and different forms determine which colors are indistinguishable.
"Frank was colorblind and had sewn small labels into his clothes to help him pick matching combinations."
°(US) Referring to a policy that does not discriminate on the basis of race or skin color.
"As a result of the lawsuit, the school adopted a colorblind admissions policy."