Understanding Cataracts

A Closer Look

Welcome to Adaptive Ocular Science, where we shed light on the intricate world of lens correction research. Let’s delve into a common ocular concern: cataracts. Our mission is to provide you with a professional, reassuring, and informative insight into this age-related vision issue.

The Intrigue of Cataracts

Cataracts often cast a shadow on our central vision, seemingly disproportionate to the observable opacity. When the lens develops posterior cortical opacities, especially in cases of prominent nuclear sclerosis, the increased refractivity can lead to progressive myopia. It’s fascinating to note that in patients with senile nuclear sclerosis, the return of clear vision can resemble a newfound “second sight.”

As cataract opacification progresses, vision gradually diminishes. Yet, even in advanced senile cataracts, there’s a remarkable resilience; fingers can still be counted at close range, and hand movements are discernible. This tenacity underscores the importance of addressing cataracts promptly.

Treatment Insights

Now, let’s demystify cataract treatment. While there’s no pharmaceutical panacea for cataracts, controlling underlying health factors may slow their progression. However, once the lens proteins have coagulated, change becomes immutable. When the cataract reaches maturity, the most effective course of action is surgical removal.

For in-depth knowledge on this subject, we recommend Stephen J.H. Miller’s “The Lens” and “Parsons’ Disease of the Eye” by Chapley as reliable sources of information.

What Is a Cataract?

Cataract, whether congenital or acquired, refers to any opacity in the lens or its capsule.

Now, let’s explore the symptoms of acquired cataracts, which primarily manifest as visual disturbances

Seeing Spots

One common early complaint is perceiving spots before the eyes. These spots don’t maintain a fixed position and often move around in the field of vision.

Uni-ocular Polyopia

Another prevalent early symptom involves the perception of doubled or tripled images of objects when viewed with one eye.

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This phenomenon results from irregular refraction by the lens, creating multiple images of the same object. In some cases, coloured halos around objects may also be observed.

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Central Vision Decline

As the opacity within the lens or capsule progresses and becomes denser, central vision acuity deteriorates.

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The extent of this decline depends on the density and location of the opacity. For instance, in senile cortical cataracts with peripheral opacities, severe visual impairment may be delayed, and vision can improve when the pupil contracts in bright light. Conversely, if opacities are central, visual deterioration occurs early, and patients often experience better vision with a dilated pupil in dim illumination.

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Monofocal Yellow

Aspheric Yellow Monofocal lenses have balanced photoprotection of UV and violet spectrum, AOS offers a yellow material to improve blue light absorption, which is believed to reduce age-related macular degeneration.
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Adtec Toric

Our unique 'Adtec lock haptic' design ensures that the lens is self-centering, and stable in the eye. It addresses a major issue of lens postop rotation and gives unparalleled rotational stability ensuring predictable outcomes.
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Tri Focal EDOF

Adtec Xtnd is the Synergy of EDOF with trifocal technology using a symmetrical phase Apodization, Adtec Xtnd is calibrated to achieve beyond 92% light transmission.
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Multi

Adtec Multi has a double aspheric, are designed to provide excellent near and distance vision. Proprietary design ensure no glare or halos. These lenses have balanced photo protection of UV and violet spectrum through natural yellow chromophore.
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Adtec Comfort

Comfort presents significant improvement in distance and intermediate visual acuities. Comfort is designed with double aspheric, glistering free IOLs and optimally pre-hydrated technology.
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Remember, your vision matters, and so do you. Stay informed, stay enlightened, and let us illuminate your path to clearer sight.

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