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Product Description
The LEA Symbols 15-Line Pediatric Eye Chart is a child-friendly visual acuity chart designed for accurate vision testing in pre-literate children who can’t reliably name letters. It uses four standardized LEA symbols (commonly circle, square, house, apple) with equal legibility, allowing children to match or name the shapes while clinicians score acuity precisely across 15 lines. This makes it ideal for pediatric clinics, school screenings, and early detection programs where consistent, repeatable results are essential.
Made for non-readers: Children can match symbols using a response card or name the shapes
15 lines for precision: More steps = more accurate tracking of improvement or treatment outcomes
Standardized optotypes: Equal symbol legibility supports reliable comparisons between eyes and across visits
Fast screening flow: Easy instructions, quick responses, good for high-throughput pediatric settings
Use settings: Pediatric ophthalmology/optometry clinics, school vision screening, amblyopia follow-ups
Distance options: Typically used at standardized testing distances (e.g., 3 m or 6 m, depending on chart format)
Good practice: Ensure proper illumination, occlude accurately, and use consistent distance for repeatable scores
Durable format: Built for repeated clinical use and frequent handling in screening environments
| Topic | Discription |
| Symbols | Uses child-friendly shapes (house, apple, circle, square). |
| Material | Sturdy chart with hanging holes; foldable versions available. |
| Lines | 15 lines, from large (10/100) to very small (10/4) |
| Dimensions | Approx 17″ × 21″ (≈ 43 cm × 53.4 cm) |
| How to use for | Tests distance vision in young children. |
| Test Distance | Standard at 10 feet (3 meters). |
| 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. |
| Size | About 17″ × 21″ (43 × 53 cm). |
| Durability | Long-lasting if well cared for; requires proper lighting and cooperation |
| Durability & Limitations | relatively long life if kept flat, clean, not torn; folding versions need careful handling to avoid creases or damage |
| Spacing | Proportionally spaced (ETDRS style) for accuracy. |
| Notations | Includes Snellen, LogMAR, and decimal equivalents |
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