David Thomas contact lenses Ltd

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We are pleased to announce the launch of OPTIMUM. This is a completely new range of gas permeable materials developed by the leading British polymer laboratory and represents the successful conclusion of several years of research and development.
This new range of materials give you a choice of four oxygen permeability (DK) levels. All come with a UV blocker and can be supplied in different tints.

Optimum Classic:
A durable GP lens material formulated for daily wear. Consistently high stability and wettability ensures continual wearer comfort. Available in Blue, Grey, Green and Clear 26DK Value.

Optimum Comfort:
A daily wear GP lens material with enhanced wettability and oxygen transmission (DK) for advanced levels of instant and long-term wearer comfort. Suitable for various wearing modalities. Available in Blue, Grey, Green and Clear 65DK Value.

Optimum Extra:
With excellent wettability and DK values greater than comparable products, this versatile material is ideal for daily wear and more demanding regimens. A finely tuned balance of components delivers a material that is both stable and highly wettable. The extra oxygen transmission lends even greater appeal. Available in Blue, Grey, Green and Clear 100DK Value.

Optimum Extreme:
An innovative and unrivalled GP lens material developed to cope with the most challenging of applications. Extremely wettable, with distinctly superior and super high DK values. This material leads the way where maximum true oxygen transmission is important. Available in Blue, Grey, Green and Clear 125DK Value.

All of our contact lenses, with the exception of our monthly disposables and Ortho-K, can be purchased with a choice of exchange options.

With Exchange:
Lenses can be exchanged twice free of charge for up to 90 days from original order. This option also allows you to return the lenses for 75% credit if the fitting is unsuccessful within the 90 day period.

No Exchange:
Lenses cannot be exchanged or credited. However this option includes free adjustments, where possible, to the original lenses for 90 days.

Frequent Replacement:
All Gas Permeable products can be placed on our six monthly or yearly frequent replacement scheme. Lenses will be despatched automatically to you approximately one week prior to due date.

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