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.
These norms stipulated a sonata form consisting of three major sections: exposition, development, and recapitulation. The exposition usually consists of four subsections: first theme, bridge passage, second theme, and closing section. The first theme is stated in a tonic key.