Astigmatism

Question 1

Infants with Astigmatism

Answer 1

highest amount of astigmatism

no meridional amblyopia in 1st year of life

mag and frequency decreases in 1st 2 years of life

Adults levels by 4-5 years old (WTR most common and OA rarest form)

Rx if 1DC for 1+ year olds because risk of amblyopia

Question 2

Race and astigmatism

Answer 2

Hispanics > AA> W > AP

MEPEDS

Question 3

NICER STUDY Ireland 2015

Answer 3

prevalence unchanged between 6-7 and 15-16 years old but individual patients may change

Question 4

keratometry

Answer 4

used for magnitude (confirmation) and changes (monitoring)

Question 5

toddlers

Answer 5

Rx if more than 2.50D less than 2 years old

Rx if more than 2.00D more than 2 years old

Expect astigmatism to decrease by 4-5 years old

Question 6

Preschooler

Answer 6

4+ year old: Rx if more than 1.50DC

Question 7

School Aged

Answer 7

Rx if more than 0.75DC

Question 8

Reading Fluency in School Aged Children

Answer 8

Grades 3-8

oral reading fluency decreased with more than 1DC uncorrected

importance of wearing glasses