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Official Optica Blog

Is It Safe to Wear Coloured Sunglasses for Long?

Key Takeaways Coloured sunglasses can enhance contrast, comfort, and style when chosen correctly. Long-term safety requires proper UV 400 protection, quality lens materials, and the right colour tint. Different types of sunglasses, different colours do different things, some improve clarity, others reduce glare. Wearing the wrong tint in the wrong...

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New to Contact Lenses? Here’s All You Need to Know

Key Takeaways Contact lenses offer clear, natural vision without the bulk of glasses and give you better peripheral clarity. They provide freedom for sports, travel, and active lifestyles with no fogging or slipping. There are many contact lens options, from daily disposable contact lenses to monthly lenses, ensuring you can...

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Know Your Eyeglass Frame Size Chart to Get a Frame That Suits Your Face

Key takeaways • Knowing your eyeglass measurements makes for a more comfortable fit and a balanced look.• Frame size affects both style and where the lenses sit in relation to your eyes.• The size code breaks down into three practical numbers: lens width, bridge width, and temple length.• Understand those...

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5 Rules to Follow While Wearing Contact Lens for Dry Eyes

Key Takeaways • Not every contact lens works for every eye, picking the right one can make a noticeable difference. • Good hygiene, correct cleaning, and keeping lenses moist reduce discomfort and lower infection risk. • Follow a safe wear schedule and get regular eye checks to protect your vision....

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What Is An Optical Illusion?

Key Takeaways •The brain interprets visual signals from the eyes by processing light, color, and depth to create the images we see. •Optical illusions occur when this process misfires, causing the brain to perceive something different from reality. •There are different types of illusions which include: literal, cognitive, and physiological,...

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