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Simulate amblyopia (lazy eye) visual effects across anisometropic, strabismic and deprivation subtypes. Explore cortical suppression, reduced visual acuity, contrast loss, and crowding from disrupted visual development during the critical period. Inspect ΔE & chromatic shifts from blur and spatial frequency attenuation in the amblyopic eye.

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Base color
Amblyopia type & settings
Amblyopia severity100%
Image simulation
Upload JPG/PNG (max 1200×1200). Simulated canvas next to original.
Research notes
Amblyopia simulates unilateral or bilateral visual cortex under-development during the critical period. Anisometropic mode applies defocus blur from inter-ocular refractive difference. Strabismic mode models cortical suppression of the deviating eye. Deprivation mode simulates the most severe acuity loss from congenital cataract or ptosis. Crowding checkbox adds spatial letter-recognition interference at peripheral eccentricities.
Swatches — Reference vs Amblyopic Eye
Reference
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Amblyopic
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ΔE (CIE76)
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ΔE (CIEDE2000)
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Deep preview
Reference
Simulated
Chromaticity (CIE xy)
Amblyopic defocus axis (to D65)
D65 white point: 0.313, 0.329
Image simulation

Simulations operate in linear sRGB. Anisometropic applies refractive blur (Gaussian σ ∝ severity); strabismic applies cortical suppression contrast reduction; deprivation applies maximum combined blur and contrast loss. Crowding adds radial spatial interference at peripheral eccentricities. ΔE2000 measures perceptual colour shift from acuity loss and desaturation.

Multi-condition comparison
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Compare normal, Condition A and Condition B across multiple severities. If an image is loaded it will be processed into the grid, otherwise colour swatches are shown.