What are circle contact lenses?

Circle contact lenses are colour lenses which feature a coloured outer ring on the edges. This design, where the coloured section extends beyond the iris, aims to create the illusion of a naturally larger pupil.

What are multifocal contact lenses?

Multifocal contact lenses are designed to address presbyopia, a condition that affects near vision as individuals age. These lenses allow for clear vision at both near and far distances, making them a suitable choice for individuals with presbyopia. Learn more about Multifocal Contact Lenses here. Shop multifocal lenses here.

Are there any differences in [PWR] and [BC] from different manufacturers?

Because of global standards, all manufacturers must use the same notation for [PWR] and [BC]. However, lens size, thickness, design and processing methods are different depending on the brand and the manufacturer. (If your contact lenses have been prescribed for astigmatism, your view will be different depending upon the manufacturer.) We strongly suggest having your […]

What does [ADD] in contact lenses mean?

The [ADD] number is required when ordering multifocal/bifocal contact lenses for presbyopia. The figure determines the amount of correction you need to be able to see clearly at a close distance. The Addition figure is a positive number between +0.50 and +3.00, which some contact lens brands refer to as a high, medium or low. […]

What does the Oxygen Permeability of contact lenses mean?

Oxygen Permeability indicates the amount of oxygen that can pass through a contact lens. Dk represents the oxygen permeability coefficient, with higher values indicating greater oxygen transmission. Dk/L is a value obtained by dividing the Dk value by the thickness of the contact lens, representing its oxygen permeability. A higher Dk/L number indicates a greater […]