Severe Astigmatic Blur Does Not Interfere with Spectacle Lens Compensation | Zendy

Rhondalyn C. McLean | Zendy; Josh Wallman | Zendy

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Severe Astigmatic Blur Does Not Interfere with Spectacle Lens Compensation

Author(s) -

Rhondalyn C. McLean,

Josh Wallman

Publication year - 2003

Publication title -

investigative ophthalmology and visual science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.935

H-Index - 218

eISSN - 1552-5783

pISSN - 0146-0404

DOI - 10.1167/iovs.01-0670

Subject(s) - spherical aberration , optics , lens (geology) , refractive error , meridian (astronomy) , physics , spectacle , optometry , medicine , visual acuity , astronomy , economics , market economy

Whether either natural emmetropization or compensation for imposed spectacle lenses requires the visual system to distinguish myopic from hyperopic blur is controversial. Some have argued that the visual system need only respond to the magnitude of the blur. This study was undertaken to test whether adding large amounts of astigmatic image blur would cause myopia and interfere with compensation for positive or negative spectacle lenses.

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