Jack Allen Contact Lenses

27, Redburn Industrial Estate, Woodall Rd, Ponders End,
Enfield, Middlesex, EN3 4LQ

Lenses

Telephone : 020 8804 2944
email : jackallen@optician.com

HELPFUL HINTS AND TIPS WHEN FITTING SCLERAL GAS PERMEABLE CONTACT LENSES


BACK  SURFACE  STRUCTURE


DO NOT over-complicate your fitting regime, the more variations that you may attempt to try the longer your patient will be in the “chair” and the more frustrated both you and the patient will get , here at JACL we are producing 5 different versions of our back surface structure ( see  attached technical update Feb 17) and we feel that for the high proportion of patients this  is sufficient to obtain comfort and vision, of course in extreme cases we will CUSTOMISE  a back surface as is technically possible.


FRONT SURFACE STRUCTURE


Believe it or not this is a crucial part of the lens and can make the difference between success or failure in the comfort of the lens on eye

We at JACL feel we have designed by “drawing creation” a front surface shape that in general will correspond to that of a normal corneal lens. As each lens is different on the back surface ( ie sags etc)  by calculating the front by “drawing creation” we feel we can maintain an almost constant  front surface structure from lens to lens.

This is an important feature as it means that the eyelid will “flow” over the lens both easily and comfortably.


DIAMETER OF  SCLERAL LENSES


There are a number of variations of the “scleral theme” available to Practitioners and we at JACL have chosen to use as standard 14.00, 16.00, 16.50, 18.05, as our main range of lenses,  we will of course in circumstances and as technically possible manufacture to individual Practitioner requests variations to the diameters.


Finally it is worth remembering something that Ken Pullum always says: KISGAR,


KEEP IT SIMPLE –GET A RESULT


Should you have any questions or wish to discuss JACL sclera Profile lenses please do not hesitate to contact us.



TECHNICAL UPDATE Feb 17