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.
Bass line sketches. A sonata form movement, or any of its component parts, may be described by making a bass line sketch. This may be either a summary sketch or a detailed sketch. Both make use of analytical stem and slur notation.