Cases of disqualification of kohanim from doing the Temple service for all kinds of eye blemishes, from blindness to pale spots on the eyes or excess tears — and how they are derived from the verses in Leviticus. Also, mishnayot! 1 – Blemishes that are unsightly physical blemishes, including eyes and other parts of the face. Plus, an assessment of Moshe’s height — based on that of the Tabernacle, so perhaps he was 10 amot high, which would have been too tall, and indeed a blemish of disproportion. 2- Additional blemishes – if a man has breasts that distend like those of a woman; if his stomach or navel protrudes; if he has occasional epileptic seizures; and more. Plus, Torah scholars should not worry about urinating in public — it’s a health concern, as compared to drinking water in public, which was considered uncouth. With examples of the Torah scholars who, indeed, urinated in public. 3 – A kohen who has no testicles, or only one – those are blemishes that get in the way of working in the Temple. But maybe tis is only if the testicles were crushed?