We will also use a cotton swab to gently collect a sample of ear debris for conclusive examination under a microscope. (leesburgvetblog.com)
If the cat is unwilling to allow this instrument near its sensitive ears, the veterinarian will use a cotton swab to gently collect a sample of ear debris for conclusive microscopic examination. (www2.vet.cornell.edu)
Your veterinarian can diagnose ear mites by smearing ear debris on a microscope slide with mineral oil, and then identify the mite under a microscope. (cathealth.com)