Disease 3 - Eyelids and Lashes

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Author:
sookylala
ID:
222339
Filename:
Disease 3 - Eyelids and Lashes
Updated:
2013-06-19 04:22:57
Tags:
diesae
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Description:
disease
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  1. Nerve/muscle for lid opening?
    Levator and Muller's : CNIII
  2. Nerve muscle for lid closing?
    obicularis oculi: CNVII
  3. Meibomian, Zeiss, Moll, Kraus-Wolfring, pilosebaceous glands?
    • M- sebaceous
    • Z- sebaceous
    • Mo- sweat
    • K- lacrimal
    • P- sebaceous + hair follicle
  4. What is Trichiasis?
    abnormal, misdirected growth of eyelashes
  5. Sx of Trichiasis?
    • Corneal epithelial defects
    • red eye
    • discomfort, tearing
    • FB sensation
  6. Complications of Trichiasis?
    • corneal abrasions
    • pannus, infection and ulceration
  7. Tx of Trichiasis?
    • treat underlying cause
    • epilation- pull hair out
    • electrolysis- kill hair follicle
    • cryotherapy-
    • laser surgery
  8. What is Distichiasis?
    extra row of eyelashes growing from the meibomian glands
  9. What is congenital distichiasis?
    differentiation of pilosebaceous glands/abnormal meibomian glands
  10. What is acquired distchiasis?
    transformation of meibomian glands to pilosebaceous glands
  11. Tx of distichiasis?
    • surgical excision
    • cryotherapy
    • laser extra lashes
    • Lid splitting procedure: divide ant/post lamellae, cryo post, attach
  12. Madarosis?
    Loss of eyelashes
  13. Poliosis?
    loss of pigmentation in eyelashes and eyebrows
  14. Trichomegaly?
    abnormally long eyelashes
  15. What is a ptosis?
    downward sagging of eyelid
  16. What are the two types of anterior blepharitis?
    • Staphyloccocal
    • seborrheoic
  17. Staph bleph cause?
    • S aureus and S epidermis reaction
    • inflammation of lid margins
  18. Sx anterior bleph?
    • red eye
    • corneal infiltrates
    • burning grittiness
    • mild photophobia
    • crusting and redness of lid margins
  19. Signs of staph bleph?
    • hard scales and crusting around the base of the lashes
    • notching and ulceration of lid margin
    • madarosis, trichiasis and poliosis
    • hyperaemia, telgiectasia
  20. Signs of seborrheoic bleph?
    • lid margin oil
    • lashes stick together
    • soft scales
  21. Post bleph?
    • association with meibomian gland dysfunction- changes in secretions
    • association with DE/tear film
  22. Sx of post bleph?
    • capping
    • meibomian gland orafices
    • tear film is oily and froamy
  23. Tx of bleph?
    • lid hygiene and warm compresses
    • tear substitutes
    • antibiotics
  24. Lice on eyelashes? Sx and Tx?
    • Sx: redness, itching, fb sensation, bleeding of margins
    • Tx: smother with vaseline
  25. Impetigo? sx and tx?
    • infection
    • seen in children
    • sx: red skin, vesicles (fluid filled blisters)- rupture to form yellow crust
    • tx: antibiotics
  26. Erysipelas sx, dx, tx?
    • sx: well defined, indurated, tender red plaque, spreading cellulitis
    • tx: antibiotics
  27. Necrotising facilitis sx and tx?
    • redness, swelling, oedema, gangrene
    • surgery antibiotics
  28. Preseptal cellulits sx and tx?
    • infection anterior to septum
    • unilateral, redness, tender, swollen
    • antibiotics
  29. DDX preseptal cellulitis?
    dacryocytitis, hordeolum, orbital cellulitis
  30. Differences in preseptal and orbital cellulitis?
    orbital: painful eye movements, proptosis, fever, loss of vision
  31. Contact dermatitis?
    sensitivity to topical medication
  32. Contact dermatitis sx and tx?
    • tearing, itching, Red eye, uni/bi, lid oedema, no pain, crusting, thickening of lids
    • identify allergen and remove, use drops w/o preservatives, antihistamines and cold compresses
  33. Atopic dermatitis sx and tx?
    • - chronic itching and scratching, thickening of eyelid skin
    • - low dose steroid, moisturise skin

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