Friedrich von, German ophthalmologist and pathologist, 1799-1861. Ammon blepharoplastyAmmon blue dyeAmmon canthoplastyAmmon dacryocystotomyAmmon eyelid repairAmmon fissure - a pear-shaped opening in the sclera during early embryogenesis.Ammon prominence - an external prominence in the posterior pole of the eyeball during early embryogenesis.