Difference between revisions of Close-up glasses
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→Why are differentials worn?
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It's fairly easy to stop [[lens-induced myopia]] from progressing by just wearing differentials. The axial length of the eye does not randomly change by itself; it only changes in response to [[stimulus]]. | It's fairly easy to stop [[lens-induced myopia]] from progressing by just wearing differentials. The axial length of the eye does not randomly change by itself; it only changes in response to [[stimulus]]. | ||
Another reason to wear differentials is to avoid [[convergence]] issues. When viewing in close proximity the position of your eyes needs to compensate by turning in, particularly when you are looking nearer than 50 cm. Doing this for long periods of time on a regular | Another reason to wear differentials is to avoid [[convergence]] issues. When viewing in close proximity the position of your eyes needs to compensate by turning in, particularly when you are looking nearer than 50 cm. Doing this for long periods of time on a regular basis is likely to cause issues. Such issues are easily avoided by wearing differential correction to accommodate a larger distance. | ||
== Habits == | == Habits == | ||