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Search results with tag "Understanding multifocals and getting them"
Understanding Multifocals and getting them to work
www.jnjvisioncare.co.ukthe multifocal contact lens can explain some of the variations in results (see On-eye effect). While it is important to understand how aspheric multifocals work, and why they work better for some patients than others, remember that we cannot control SA in the eye or in a given lens design. Other design features therefore need to be considered.