Hearing and visual impairments

This document discusses common hearing and visual impairments. For hearing impairments, it describes impacted earwax, swimmer's ear which is an outer ear infection caused by bacteria, and otitis media which is a middle ear infection caused by bacteria or viruses. For visual impairments, it discusses astigmatism which blurs vision, nearsightedness which makes distant objects blurry, farsightedness which makes near objects blurry, dry eyes, and strabismus or lazy eye which affects vision development in children. Doctors may recommend corrective eyewear, eye patches, Bangerter filters, eyedrops, or surgery to treat visual impairments.