CH. 49 EYES & EARS

SIDE NOTE HESI Q's: Homocysteine - Answers--a blood test used to measure the amount of homocysteine in the blood. Homocysteine is an amino acid that, if elevated, may indicate an increased risk or cardiovascular 's formed when eating cheddar cheese, eggs, chicken and beef. Deficiencies of certain B vitamins --sepcifically folate and viatmin B 6 and vita B12 affect homocysteine. Aging and genetic tendencies also increase levels. Blepharitis - Answers--(Dry Eye Syndrome?) *Inflammation of the eyelid edges* Itchy, red, and burning eyes Seborrhea of the eyebrows and eyelids with greasy scales and mattering Control with eyelid care using warm, moist compresses followed by gentle scrubbing with diluted baby shampoo Avoid rubbing the eyes Applying warm compress by - Answers--folding and placing on the eye. If re-wetting use different portion of the washcloth. Entropion - Answers--Turning inward of the eyelid causing the lashes to rub against the eye Caused by eyelid muscle spasms , trauma, aging Eyelid turned inward; red conjunctiva Corneal Abrasion may occur Surgical correction of eyelid position Instruction in procedure to instill eyedrops and eye ointment Chart 49-1 Ectropion - Answers--Turning outward and sagging of the eyelid Caused by relaxation of the orbicular muscle Reduced washing action of tears, leading to corneal drying and ulceration Surgery to restore proper lid alignment Hordeolum - Answers--*Stye* can be external or internal. Treatment is with warm compresses four times a day and antibacterial ointment, which may blur vision. To remove ointment, close the eye and gently wipe the closed eyelid from the nasal side of the eye outward. Painful & tender Hordeolum "Stye" Pic - Answers--Stye Chalazion - Answers--Inflammation of sebaceous gland in eyelid. Painless Most protrude on the inside of eyelid. Eye fatigue, light sensitivity, and excessive tears result. Treatment consists of warm compresses for 15 minutes 4 times per day, followed by instillation of ophthalmic ointment. Surgery is an option.