Definition of longsightedness in US English:

longsightedness

noun

  • See longsighted

    • ‘Regular eye check-ups will identify long-sightedness early on so that corrective treatment can be administered.’
    • ‘He suffers from long-sightedness and now needs to wear glasses when reading some government papers.’
    • ‘Chennai joins select cities in the country to launch a new laser-driven vision correction procedure for short-sightedness, long-sightedness and astigmatism.’
    • ‘People with long-sightedness usually need to wear corrective eyewear such as glasses or contact lenses to read, write and carry out detailed tasks.’
    • ‘If you perform a lot of close work and find you are getting eye-strain or headaches, this may indicate an excessive effort to focus the eyes, which could be due to long-sightedness.’

Pronunciation

longsightedness

/ˈlɔŋˌsaɪdədnɛs//ˈlôNGˌsīdədnes/