| Autor: |
Deborah S. Laughton, Amy L. Sheppard, Leon N. Davies |
| Jazyk: |
angličtina |
| Rok vydání: |
2018 |
| Předmět: |
|
| Zdroj: |
Journal of Optometry, Vol 11, Iss 1, Pp 49-56 (2018) |
| Druh dokumentu: |
article |
| ISSN: |
1888-4296 |
| DOI: |
10.1016/j.optom.2017.02.001 |
| Popis: |
Purpose: To investigate non-cycloplegic changes in refractive error prior to the onset of presbyopia. Methods: The Aston Longitudinal Assessment of Presbyopia (ALAP) study is a prospective 2.5 year longitudinal study, measuring objective refractive error using a binocular open-field WAM-5500 autorefractor at 6-month intervals in participants aged between 33 and 45 years. Results: From the 58 participants recruited, 51 participants (88%) completed the final visit. At baseline, 21 participants were myopic (MSE -3.25 ± 2.28 DS; baseline age 38.6 ± 3.1 years) and 30 were emmetropic (MSE −0.17 ± 0.32 DS; baseline age 39.0 ± 2.9 years). After 2.5 years, 10% of the myopic group experienced a hypermetropic shift (≥0.50 D), 5% a myopic shift (≥0.50 D) and 85% had no significant change in refraction ( |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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