You can learn more about how the Illinois income tax compares to other states' income taxes by visiting our map of income taxes by state. The Illinois income tax was lowered from 5% to 3.75% in 2015. Previously, the tax rate was raised from 3% to 5% in early 2011 as part of a statewide plan to reduce deficits.
Cure for rare form of color blindness steps closer with novel gene insight. In a new study published in PLOS ONE, researchers have uncovered novel insights into two genetic mutations that may be a cause of a rare form of color blindness called achromatopsia, paving the way for a cure for the condition.
Types of Color Blindness. Color blindness is a result of an abnormality in the eyeâs photoreceptors called cones. A person who is color blind, or color deficient, has difficulty discerning between colors because of this. The human eye has three different types of cones that can be found in the retina: the L-cones, M-cones and S-cones. Each of these cones is sensitive to red, green and blue, respectively.