Maryland State
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Temps de lecture 1 min
Summary of the Maryland State Guidelines
1. Required Screenings
Timing of Screenings:
- When a student enters a school system.
- In the year a student enters first grade.
- In the year a student enters eighth or ninth grade.
Vision Screening Types:
-
Monocular Distance Visual Acuity:
- Tools: LEA SYMBOLS®, HOTV Letters, Sloan Letters
-
Ages:
- LEA SYMBOLS® or HOTV: Recommended for ages 3–6 years
- Sloan Letters: Recommended for ages 6 years and older
-
Instrument-Based Screening(Refractive error/eye misalignment):
- Tools: Righton Retinomax, SureSight Vision Screener, Welch Allyn Spot Vision Screener, Plusoptix
- Ages: Recommended for ages 3–5 years
Optional Screenings:
-
Stereoacuity:
- Tools: PASS Test 2, Random Dot “E”
-
Color Vision:
- Tools: Ishihara plates, Color Vision Testing Made Easy, or similar
2. Screening Referral Criteria (Criteria for Passing Vision Test)
Monocular Distance Visual Acuity:
- 3 years: Unable to pass 20/50 line in either eye
- 4 years: Unable to pass 20/40 line in either eye
- 5+ years: Unable to pass 20/32 line in either eye
- Any age: A two-line difference between eyes (e.g., 20/16 and 20/25)
Instrument-Based Screening:
- Follow specific manufacturer guidelines for each tool
Stereoacuity Tests:
- PASS Test 2 (3–4 years): Unable to identify the Smile face on Card B
- PASS Test 2 (5+ years): Unable to identify the Smile face on Card B or C
- Random Dot “E”: Unable to see the E figure at all or only at close distance (~20 inches)
Color Vision Tests:
- Failure: Unable to identify the required number of plates determined by the tool’s manufacturer
3. Children Who Should Bypass Screening
- Students who already have a diagnosed vision impairment or wear corrective lenses (glasses/contacts)
4. Required Tools OR Important Changes to Tools Used/Discontinued
Required Tools:
- Monocular Distance Visual Acuity: LEA SYMBOLS®, HOTV, Sloan Letters
- Instrument-Based Tools: Welch Allyn Spot Vision Screener, Plusoptix, Righton Retinomax, SureSight Vision Screener
- Stereoacuity Tools: PASS Test 2, Random Dot “E”
- Color Vision Tools: Ishihara plates, Color Vision Testing Made Easy
Important Notes:
- Emphasis on instrument-based screening for younger children (ages 3–5) who may have difficulty with optotype-based charts
- Referral criteria ensure consistent identification of vision issues in Maryland State