The Science of Sight: Contact Lens Basics
Long before mirrors were utilized to enhance beauty, eyeglasses, and eventually contacts, were created out of necessity to shield the eyes and improve vision. The advent of contact lenses was a turning point in ophthalmological history, creating a revolution in the way people view the world. This leap in eye care technology was spearheaded by the Czech physicist Otto Wichterle who invented soft contact lenses in 1961.
Contact lenses did make an appearance in celluloid too! Who can forget the creepy, glowing eyes of the Night King in the popular TV series, Game of Thrones? The ice-blue effect was achieved with special contact lenses styled by the show’s makeup artists.
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Understanding Your Contact Lens Prescription
To anyone unfamiliar with the technical aspects, the jargon and abbreviations in a contact lens prescription may seem like an alien language. Abbreviations such as ‘OD’, ‘OS’, ‘BC’ and ‘DIA’ are commonly found in your prescription. Here’s a quick breakdown:
1. ‘OD’ stands for ‘Oculus Dextrous,’ Latin for right eye.
2. ‘OS’ stands for ‘Oculus Sinister,’ Latin for left eye.
3. ‘BC’ stands for ‘Base Curve,’ the curve level that matches the shape of your eye.
4. ‘DIA’ stands for ‘Diameter,’ the size of the contact lens.
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Keeping Your Eyes in Focus: Contact Lens Power
Your prescription’s power generally ranges from -20.00 to +20.00 depending upon the requirements of your prescription, with plus or minus sign indicating if you suffer from hypermetropia (far-sightedness) or myopia (nearsightedness). The British singer, Bono, is reportedly one of many celebrities who wear colored contact lenses. His signature blue-tinted lenses aren’t just for style, they’re medically prescribed to manage his glaucoma that affects his vision.
Lens for the Astigmatic Eye
Astigmatism, a common eye condition where the eye doesn’t evenly focus light causing blurred vision, requires an additional measurement – ‘Cylinder’ (CYL) and ‘Axis’. The cylinder and axis numbers specify the degree and direction of your astigmatism respectively.
Pop-star Billie Eilish brought attention to astigmatism after sharing her struggles with it and Tourette Syndrome in an interview. Her openness stimulated conversation about these conditions, encouraging fans to also share their experiences.
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Decoding Contact Lens Materials
Contact lenses come in different materials–silicone hydrogel, rigid gas-permeable and hybrid. This information generally would not be found on your prescription but should be discussed with your eye care practitioner.
Leading the Way: Titan Eye+
Known for delivering precision and visionary eyecare, Titan Eye+ is a leader in the field, with 900+ stores operating across India. Specializing in modern designs and high-tech lenses, the brand offers contact lenses that match your prescription and suit your comfort.
Final Word: Every Lens Matters
Getting the right prescription and understanding it is just as important as getting the right frames. From the ancient Egyptians using polished crystal to the space-age material used for contact lenses today, eyewear has gone through a monumental evolution. Brands like Titan Eye+ have taken this journey forward, re-enforcing the vision of clear, accessible, and comfortable eye care for all.
It’s imperative to consult with a certified optometrist for personalized eye care. Instead of just focusing on the numbers of your prescription, it’s important to look at your lifestyle needs, and to take into consideration the comfort and health of your eyes. After all, your eyes are not just the windows to the world, but also to your soul.
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