Aniseikonia is a condition caused by traditional glasses. There are two kinds of aniseikonia: Static Aniseikonia and Dynamic Aniseikonia.
Static Aniseikonia is where glasses make the same image appear to be a different size to each eye. Dynamic Aniseikonia, is similar, but occurs with motion. Basically, it occurs when glasses force the eyes to move―up and down or laterally―at different speeds. This causes a visual displacement between the left and right eye so that images appear to have an overlap due to differences in perceived size between the eyes.
Corrective lenses―prescription glasses and contacts―are a fantastic invention that has allowed for improved vision for literally hundreds of years. Traditional glasses, however, are not without problems, especially in cases of anisometropia―where the prescription for each eye is significantly different. The traditional thinking was that each lens should render clear vision independently. If an image was clear in both eyes independently, then our brains could be left to figure it out. The draw back to this monocular approach is that is that our brains are hardwired for binocular vision. We see with both eyes operating in tandem, not as two separate inputs.
With traditional glasses, the brain has to constantly adjust for these different image sizes. This results in the brain constantly struggling to force focus, or else suppress altogether one of the eyes entirely.
When your eyes are out of face with each other, unpleasant and sometimes severe symptoms can occur. This includes:
headaches
eye strain
inability to see 3D television and movies
sensitivity to light
problems reading
dizziness and nausea
reduced depth perception
This often results in headaches, distorted vision, coordination issues, and other problems. If any of these symptoms sound familiar, and you have different prescriptions for each eye, aniseikonia might very well be the culprit.
Shaw lenses are a massive leap forward for vision. Using sophisticated algorithms and analysis of of each eye, these lenses actually model the eye rotation in order to predict and prevent the distortions created by traditional lenses. Essentially, these lenses take into account how your eyes work together in order to deliver truly binocular vision.
While traditional prescriptions only take into account the refraction prescription for each eye, the Shaw lens design tool accounts for motor fusion limits for each eye and models the level of binocularity expected right there in the Optometrists office.
What this means is that wearing Shaw lenses gives you a substantially widened field of binocular vision thats clearer and literally easier on the eyes. Your brain won’t need to work nearly as hard to interpret the world around so you can enjoy clearer vision with fewer distortions.
At Family Eye Care of Atlanta, we’re proud to be one of only a handful of official vendors of Shaw lenses in and around Atlanta, GA. Our optometrists and opticians are specially trained to provide the custom refraction and modeling of this revolutionary approach to lenses. If you have (or think you might have) aniseikonia, schedule an appointment with our staff to see if Shaw lenses are right for you.
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