Question
Optical devices
Answer :
Word Count : 273
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Optical devices are important educational and rehabilitative tools used in early intervention and early childhood education for children with visual impairment. These devices are designed to maximize the use of residual vision and help children access visual information more effectively during learning and daily activities. Early introduction of optical devices supports visual development, promotes independence, and enhances participation in educational environments. Common optical devices include spectacles, magnifiers, telescopes, and electronic optical aids. Spectacles are often the first optical device prescribed and are used to correct refractive errors such as myopia, hypermetropia, and astigmatism. Early correction is essential to prevent further visual
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