Category Archives: design and prescribing

IT IS NOT HARD to Design a Custom Soft Contact Lens

The assumption for many prescribers is that designing a custom soft contact lens is similar to designing a rigid contact lens. Upon the introduction of soft contact lenses, previous experience was “hard” contact lenses, and that background still ... Read on...

Measuring Anatomic Features & Sagittal Height for Custom Soft Contact Lenses

When designing and prescribing custom soft contact lenses, the corneal feature most frequently relied upon is central corneal curvature, which is measured using a keratometry (K) value. Read on...

On-Eye Evaluation of a Custom Soft Toric Contact Lens

Evaluating the performance of SpecialEyes custom soft toric contact lenses on-the-eye is simple!  Our custom soft toric contact lenses are evaluated on the eye just like you would evaluate any other soft contact lens on the eye.  The same fitting ... Read on...

Designing Custom Soft Toric Contact Lenses

How to Design a Custom Soft Toric Contact Lenses from SpecialEyes SpecialEyes custom soft toric contact lenses can be designed in a wide range of parameters; even the thickness and size of the optical zone can be specified.  Visit our products page ... Read on...

Comparing Custom Soft Toric Lenses to Off-the-Shelf Toric Lenses

Corneal astigmatism, a condition that many patients present with, is caused by one principal meridian of the cornea being considerably steeper or flatter than the other principal meridian of the cornea.  Fitting a patient with a soft toric contact ... Read on...