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2011-10-13 20:46:02

Older people are at increased risk of several eye diseases, including age-related macular degeneration (AMD), cataracts, and glaucoma. AMD can cause profound loss of central vision due to the breakdown of the eye's light-sensing cells in the retina. Cataracts cloud vision through clumping of proteins in the eye's lens. Glaucoma damages the optic nerve often due to increased pressure in the eye. The increase in type 2 diabetes, which is more common in older Americans and especially minorities,...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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