If an eye nevus is present, it should be looked at regularly by an ophthalmologist (a doctor who specializes in eye diseases). People who notice a dark spot on the colored part of their eye (the iris) should have a doctor look at it, especially if it is getting bigger.
Follow these basic steps to clean your firearm. 1  Attach the bore brush to the cleaning rod. Wet the brush with powder solvent. 2  Attach a clean patch to the cleaning rod. Add powder solvent to the patch. 3  Put a fresh, clean patch on the cleaning rod. Add a light coat of oil on the patch.
Sheath cleaning is a hygienic process occasionally needed by male horses, both geldings and stallions, wherein a caretaker, groom or veterinarian checks the horse's  sheath , the pocket of skin that protects the penis of the horse when it is not in use for urination (or, in the case of stallions, breeding).ome horses object to sheath cleaning and require sedation, others will tolerate it if the groom is careful and patient, though light sedation may help the horse drop for easier cleaning.