Painless and progressive, cataracts slowly cloud the lens. The first symptom of cataracts is often decreased night vision. The light distortion caused by cataracts also frequently produces halos around lights -- again, mostly at night. Blurry vision is also common.
sonata form. n. Music. A form of a movement consisting of three sections, the exposition, development, and recapitulation, often followed by a coda.
Haydn, Piano Sonata in C Major, third movement (p. 143) Song and trio form. Note: each larger section of this short compound ternary form is itself a simple ternary form. Minuet: ternary. a (1-8) :||. modulating contrasting period â C: [-4-]IAC G: [-4-]PAC.