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Area of Science:

  • Ophthalmology
  • Optometry
  • Public Health

Background:

  • Myopia progression typically slows after adolescence, but limited data exists for young adults.
  • Understanding adult myopia progression is crucial for clinical management and public health strategies.

Purpose of the Study:

  • To determine the mean annual progression of myopia in young adults.
  • To estimate the proportion of individuals experiencing myopia progression during adulthood.

Main Methods:

  • Retrospective analysis of longitudinal, noncycloplegic subjective refraction data from 354 young adult myopes (ages 18-30).
  • Defined progression as at least a -0.50 D shift and annualized progression of -0.25 D or more.
  • Compared progression rates across different age groups and academic environments.

Main Results:

  • Mean annualized myopia progression was -0.10 D (18-21 years), -0.08 D (22-26 years), and -0.04 D (27-30 years), showing a significant decrease with age.
  • The proportion of progressors decreased with age: 18.3% (18-21 years), 10.9% (21-26 years), and 8.8% (26-30 years).
  • Individuals in academic environments had a higher odds ratio (2.07) for myopia progression compared to those in nonacademic settings.

Conclusions:

  • Myopia progression is minimal in young adults, particularly after age 21, aligning with existing research.
  • While the rate and proportion of adult progressors are small, further research is needed to understand clinical implications.
  • Academic environments may be associated with a higher risk of adult myopia progression.