The average sliding 31-day rainfall during September in Dublin is increasing, starting the month at 2.1 inches, when it rarely exceeds 3.5 inches or falls below 0.6 inches, and ending the month at 2.6 inches, when it rarely exceeds 4.3 inches or falls below 1.1 inches.
Astigmatism can be diagnosed through a comprehensive eye examination. Testing for astigmatism measures how the eyes focus light and determines the power of any optical lenses needed to compensate for reduced vision. This examination may include: 1  Visual acuity âAs part of the testing, you'll be asked to read letters on a distance chart.
Checking for astigmatism is a routine component of most eye exams. As astigmatism can strongly affect visual acuity, ophthalmologists often catch it while testing eyesight using letter boards. Difficulty reading smaller lines is generally indicative of a vision disorder.