Vision Myths and Facts: Debunking Common Beliefs for Healthy, Happy Eyes

Vision is one of our most precious senses

It’s no surprise that it’s often surrounded by mystery, shaped by myths passed down through generations and popular beliefs. But how much truth is there in all of this? How many times have we heard that reading in low light ruins your eyesight, or that eating carrots works miracles?

Let’s shed some light on the most common beliefs, separating science from superstition and learning how to take care of our eyes in a more informed and conscious way.

Myth 1. Reading in low light damages your eyesight

Truth.
This is one of the most widespread beliefs. In reality, reading in poor lighting can cause eye strain and temporary visual fatigue, but it does not lead to permanent damage. The discomfort comes from the extra effort the eye muscles must make to focus under inadequate lighting conditions.

Myth 2. Eating carrots improves your eyesight

Truth.
Carrots are rich in beta-carotene, a precursor of vitamin A, which is essential for eye health and night vision. However, a balanced diet that includes other sources of vitamin A—such as leafy green vegetables, eggs, and dairy products—is just as important. Carrots help, but they’re not a miracle cure.

Myth 3. Spending too much time in front of screens is bad for your eyes

Truth.
Prolonged use of digital devices can lead to eye strain, dry eyes, and headaches—temporary conditions known as Computer Vision Syndrome (CVS). To reduce these effects, it’s important to take regular breaks following the 20-20-20 rule (every 20 minutes, look at an object 20 feet / 6 meters away for 20 seconds), adjust screen brightness, and maintain proper posture.

Myth 4. Eyes need total darkness to rest

Truth.
While our eyes relax during sleep, they do not require complete darkness to rest. Soft ambient light does not interfere with eye rest and, in some cases, can even be helpful—for example, for children who are afraid of the dark.

Myth 5. If you don’t have vision problems, you don’t need eye exams

Truth.
Regular eye examinations are essential for prevention and early detection of many eye conditions, some of which may be asymptomatic in their early stages. We recommend having an eye exam at least every two years, or more frequently if risk factors are present, such as a family history of eye disease, diabetes, or hypertension.

Tips for healthy vision

Balanced diet: Include foods rich in vitamins A, C, and E, zinc, and omega-3 fatty acids.

Sun protection: Wear sunglasses with UV protection when outdoors, even on cloudy days.

Eye hygiene: Avoid touching your eyes with unclean hands and remove eye makeup before going to bed.

Hydration: Drink plenty of water to help prevent dry eyes.

Regular check-ups: Schedule routine eye exams to monitor your eye health.

Your eye health is invaluable. Knowing the truth behind common myths allows you to care for your vision more effectively and consciously.

Choosing the right ophthalmic lens makes all the difference

Selecting the right ophthalmic lens is a crucial and highly personal decision. Your trusted optician-optometrist plays a key role in guiding you through this choice, carefully analyzing your visual habits and specific needs.

To ensure the highest levels of visual quality, comfort, and protection, vision care professionals often rely on the most advanced technologies. At Ital-Lenti, we continuously develop cutting-edge solutions, including:

Customized progressive lenses, designed with Free-Form technology to provide natural, dynamic vision at all distances—ideal for managing presbyopia without compromise.

Anti-reflective and protective coatings, essential for enhancing clarity, reducing glare, and protecting the eyes from potentially harmful blue-violet light emitted by LED screens and digital devices, as well as from UV rays.

Photochromic lenses, which darken quickly outdoors and return clear indoors, offering automatic visual comfort and UV protection in all lighting conditions.

Ask your trusted optical center for advice—they will explain the available options and help you identify the perfect solution to ensure the best possible visual experience, tailored to your lifestyle.