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Dammeyer J. Mental and behavioral disorders among people with congenital deafblindness. Res Dev Disabil. 2011 Mar-Apr;32(2):571-5

Deafblindness: dual sensory loss

What is dual sensory loss (deafblindness)? This is a combination of deafness/hearing impairment and blindness/vision impairment. The hearing loss is 35 dB or more, visual acuity is 0.30 or less and/or...

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