Joseph Benson's Commentary of the Old and New Testaments - Leviticus 13:3
Leviticus 13:3. The priest shall look on the plague In some dubious cases, the priest might find it convenient to take the judgment of physicians, or of persons who understood the theory of diseases better than himself; but, as he was to admit to or exclude from the sanctuary, he alone was to give judgment, and pronounce who were clean or unclean, and, as such, to be admitted or excluded. When the hair is turned white He begins with the last of the three marks of a leprosy, namely, the ... read more
Albert Barnes' Notes on the Whole Bible - Leviticus 13:3
The hair in the plague is turned white - The sparing growth of very fine whitish hair on leprous spots in the place of the natural hair, appears to have been always regarded as a characteristic symptom.the plague in sight be deeper than the skin of his flesh - Rather The stroke appears to be deeper than the scarf skin. The bright spot changed to a brownish color with a metallic or oily luster, and with a clearly-defined edge. This symptom, along with the whitish hair, at once decided the case... read more