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VISION SCREENING CERTIFICATION For Student Nurses

VISION SCREENING CERTIFICATION For Student Nurses. School Nurse will be able to :. Assess knowledge of the vision law and responsibilities Explain the importance of vision screening. Identify the components of a vision screening and the pass/fail criteria for each.

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VISION SCREENING CERTIFICATION For Student Nurses

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  1. VISION SCREENING CERTIFICATIONFor Student Nurses

  2. School Nurse will be able to: • Assess knowledge of the vision law and responsibilities • Explain the importance of vision screening. • Identify the components of a vision screening and the pass/fail criteria for each. • Demonstrate operation of the approved vision screening instruments. • List age-appropriate vision screening procedures. • Identify components of the referral, follow-up and reporting process.

  3. Act 1438 of 2005 • An Act To Mandate Eye And Vision Screening Procedures And Tests For Children • ADE Rules Governing Eye & Vision Screening Report in AR Public Schools www.arkansascsh.org Arkansas Laws and School Health

  4. Importance • One in 20 preschoolers has a vision problem. • One in 5-10 school-aged children has a vision problem. • Impaired vision can seriously impede learning. • Early identification and treatment can prevent or at least alleviate many vision problems.

  5. Purpose • To screen a large number of children in a short amount of time. • To separate those children likely to have vision problems from those not likely to. • To refer those children who do not pass the screening or who are suspect for vision problems.

  6. Landmarks of Visual Development 4-12 wks Binocular fixation 12-20 wks 20/200 44 wks-12 mo 20/50 - 20/100 Full binocular vision Amblyopia may develop 6 -18 mo Convergence developed 18 mo-2 yrs Accommodation developed 20/40 2-3 yrs 20/30 5 yrs Min. potential for amblyopia 6 yrs Approaches 20/20

  7. Parts of the Eye

  8. Common Ocular Abnormalities

  9. Black Eye

  10. Conjunctivitis

  11. Blepharitis

  12. Chalazion

  13. Stye

  14. Entropion Of upper eyelid due to scarring Of lower eyelid

  15. Dacryocystitis

  16. Ptosis

  17. Coloboma

  18. Coloboma

  19. Cataract

  20. Strabismus Types • Tropia • Eyes which are always improperly aligned • Phoria • Eyes which have a tendency to misalign when fusion is interrupted

  21. Esotropia

  22. Bilateral Esotropia

  23. Exotropia

  24. Hypertropia

  25. Pseudostrabismus(also Pseudotropia or pseudoesotropia)

  26. Refractive Errors Myopia (Nearsightedness) Hyperopia (Farsightedness) Astigmatism

  27. Myopia

  28. Normal Vision

  29. Astigmatism

  30. Amblyopia: Definition Vision that cannot be corrected to better than 20/40. Unilateral or bilateral Brain suppresses poor image Normal appearance Reversible if detected and treated early

  31. Amblyopia Predisposing Factors Poor clarity Cataract Poor focus Nearsightedness Farsightedness Poor aim Strabismus Treatment Clearing the media Cataract removal Focusing the image Corrective lenses Correcting aim Occlusion therapy Drops

  32. Amblyopia Therapy

  33. Usher’s Syndrome Hearing Loss and Retinitis Pigmentosa Screen children with hearing loss

  34. Resource Arkansas School for the Blind PO Box 668 Little Rock, AR. 72203 1-800-362-4451 501-683-5104

  35. VisionScreening

  36. Children to Screen Grades Pre K, K, 1, 2, 4, 6, 8 and all transfer students Note: Pre K is only 4 year olds on a school campus.

  37. Screening Procedure

  38. Observation Appearance Behavior Complaints

  39. Appearance • Whites • Iris • Pupil • Lids • Lashes • Immediate referral if abnormal

  40. Behavior • Head tilt or turn • Blinking or rubbing • Avoiding close work • Squinting/frowning • Closing or covering eye • Reading problems • Frustration/poor attention

  41. Complaints • Headaches • Nausea • Dizziness • Burning or itching • Blurring

  42. Visual Acuity • Screen one eye at a time. • If a child wears glasses, perform the screening with the child wearing the glasses. • Any eye with vision less than or equal to 20/40 shall result in a screen failure. (Means student must be able to read most of the 20/30 line)

  43. Wall Charts

  44. Wall Charts • Screen at 20 feet – Snellen Chart • Literate children • Screen at 10 feet – Age Appropriate Chart • Allen Chart/Tumbling E’s • Pre-literate children/non-English speaking

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