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Scleral Contact Lens Filling Solutions 1

Off label use of 0.9% Sodium Chloride Inhalation Solution for Scleral Contact Lenses

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Is it just me, or is everyone fitting scleral contact lenses now a days?  Why not, technology has come quite a long way in recent years. When fit correctly , these designs can now allow us to offer our patients an incredible option in both comfort and acuity. Read more

[Dec 31, 2013]
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Gas Permeable Contact Lens Staining Patterns Reply

Diffuse Corneal Staining

(See the Video Here:  Video Quick Tip)

How many of you fit rigid lenses?  The truth of the matter is, if you are not doing these fits on a regular basis, it can be very easy to forget the techniques.   Having said that, we can’t avoid it completely.   There is always the possibility that a patient currently using gas permeable contact lenses, ends up in your chair with a problem, and expects you to fix it. Read more

[Dec 15, 2013]
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Judging the Ocular Surface for Contact Lens Use Reply

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When starting any contact lens evaluation, a careful examination of the ocular surface is vital. It is this surface where the contact lens resides, and if it is at all compromised, this will greatly affect the success of the fit.  This post will briefly review the key structures at play. A practitioner must have a general understanding of the corneal / conjunctival surface, tear film and eyelids. Read more

[Jul 10, 2013]
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Specialty Contact Lenses for the Irregular Cornea Reply

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Fitting an irregular cornea is a challenging but rewarding task.  The ability to take a patient who would otherwise require surgery and provide them with remarkable vision is truly an art.   Thankfully, technology has brought us to a place where this fitting process is becoming more and more mainstream allowing a greater number of patients to benefit from this technology. Read more

[Jun 04, 2013]
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Posted in Gas Permeable Lenses, Scleral Contact Lenses, Soft Lenses, TheRightContact.com | Tagged , , , , , , ,

Flexure Revealed 1

flexure

Flexure could be defined as the bending of a contact lens in an effort to conform to the corneal shape. This is a concern gas permeable lens fitters come across when monitoring their patients. The reason it becomes problematic is because an initially, perfectly fit lens, now presents with new fitting characteristics and new power requirements.

So why do we see flexure or the reshaping on these lenses? Put simply, the amount of flexure is dependent on various factors including lens thickness and flexibility. Did you know that thin lenses can flex a third of the corneal astigmatism?

Flexure is noted on follow up and is reported by the patient as CONSTANT blurred vision. Your diagnosis is confirmed by obtaining keratometry measurements over the lens. If the anterior surface of the lens was originally spherical or another noted parameter, alterations in shape will be detected here.

There are certain lens characteristics that will increase the likelihood of flexure. These factors include a high amount of astigmatism, steep base curves, thin lenses or large optic zones. Once diagnosed alterations to lens designs are your only option.

The key to addressing flexure is understanding the underlying mechanism.

Is the lens thin? Solution: Get a more rigid material (i.e. increase center thickness, lower dk, etc.).

Are we correctly aligned to the cornea? Solution: Adjust the fit (i.e. consider toric curves, use a flatter base curve, decrease optic zone, etc.).

Troubleshooting is a part of the job description for a specialty contact lens fitter. Flexure is just one of those issues we might find ourselves contending with. Understanding the potential impact of this finding will save you both time and money. Learn it well, and this will be yet another factor that puts you ahead of the rest.

[Feb 02, 2013]
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TheRightContact.com Mobile App 9

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TheRightContact.com mobile app is in its final stage of development. TheRightContact App, which will first be available on iTunes, is set to arrive early 2013. Our Apple developers have created both an iPhone and iPad version.

Like the website, TheRightContact mobile app will allow users to easily search and compare contact lenses as well as lens care products. This new technology will enable practitioners to find the same types of relevant parameters, but now even faster using their mobile devices. The 5 database structure will remain the same. Products are listed under the categories of Soft Lenses, Gas Permeable Lenses, Hybrid Lenses, Button Materials and Lens Products.

Other features of the website are being repeated on the mobile platform as well. Articles, Videos, Glossary, Fitting Tools, including calculators will still be accessible. Using push notification technology users will also be notified immediately on product releases, parameter changes, and other types of news within the contact lens industry.

 

[Dec 23, 2012]
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