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Lea Symbols 15 Line Pediatric Eye Chart

Sr No Topic Discription 1 Symbols Uses child-friendly shapes (house, apple, circle, square). 2 Material Sturdy chart with hanging holes; foldable versions available. 3 Lines 15 lines, from large (10/100) to very small (10/4) 4  Dimensions Approx 17″ × 21″ (≈ 43 cm × 53.4 cm) 5 How to use for Tests distance vision in…

SKU: 257000

Description

Sr No Topic Discription
1 Symbols Uses child-friendly shapes (house, apple, circle, square).
2 Material Sturdy chart with hanging holes; foldable versions available.
3 Lines 15 lines, from large (10/100) to very small (10/4)
4  Dimensions Approx 17″ × 21″ (≈ 43 cm × 53.4 cm)
5 How to use for Tests distance vision in young children.
6 Test Distance Standard at 10 feet (3 meters).
7 Purpose Pediatric distance visual acuity testing / screening. Designed for children (from age ~2½‐3 years) who can recognize symbols more easily than letters. Can test both monocularly and binocularly.
8 Size About 17″ × 21″ (43 × 53 cm).
9 Durability Long-lasting if well cared for; requires proper lighting and cooperation
10 Durability & Limitations  relatively long life if kept flat, clean, not torn; folding versions need careful handling to avoid creases or damage
11 Spacing Proportionally spaced (ETDRS style) for accuracy.
12 Notations Includes Snellen, LogMAR, and decimal equivalents

 

1 Purpose / Target Users Designed for distance visual acuity testing / screening in young children (starting approx 2½ years old). Also used in schools and clinics, and for special-needs children
2 Optotypes / Symbols Uses the LEA SYMBOLS set (house, apple, circle, square) so no need for letter recognition, suitable for pre-readers.
3 Scaling / Spacing Proportionally spaced lines in ETDRS / logMAR format. Also includes a version in Massachusetts Visual Acuity Format with 50% spaced rectangles
4 Range of Acuity / Line Sizes Front side: line sizes from 10/100 to 10/4 equivalent (or in Snellen / metric approx 20/200 to 20/8, or in metric 6/60 to 6/2.4) on distance version. Massachusetts format side: from about 10/50 to 10/4 equivalent
5 Testing Distance Designed for use at 10 feet (~3 m) distance for chart-to-subject
6 Physical Size & Portability Dimensions: 17″ × 21″ (≈ 43 cm × 53.4 cm) when unfolded. Folding version folds to 17″ × 10.5″ (≈ 43 cm × 26.7 cm) for portability.
7 Mounting / Display Features Has a hole to hang on wall; folding version allows easy storage or use in multiple settings. Back side in some models is black for dual use (e.g. color vision test surface).
8 Included Accessories / Extras Comes with a response key and instructions. Folding model may include flashcards.
9 Durability / Material Qualities Printed on sturdy board / chart stock; folding version reduces wear in transportation; dual-use of back (black) suggests thicker or protective material. Also CE-approved for safety / standards where applicable.
10 Usability / Marker of Quality Monocular & binocular testing possible.  Equivalent markings in multiple units (letter size, 20 foot, 6 meter, decimal, logMAR) to allow flexibility.  Recognized standard chart by Good-Lite; trusted in pediatrics.

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