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Diabetic Retinopathy: The Silent Threat to Vision

Diabetic Retinopathy: The Silent Threat to Vision

Diabetes is the leading cause of blindness in adults aged 20–74. High blood sugar damages retinal blood vessels, causing leaks and scar tissue formation (diabetic retinopathy). Early stages show no...
March 16, 2025 — HUGO PEREZ
Tags: blindness Diabetes diabetic retinopathy High blood sugar permanent vision loss retinal blood vessels tight glucose control
Childhood Myopia: Why Outdoor Time Matters

Childhood Myopia: Why Outdoor Time Matters

Nearly 42% of children worldwide now develop myopia, a drastic increase from 20% in 2000. Research reveals that spending at least 2 hours daily outdoors reduces myopia risk by 33%....
March 16, 2025 — HUGO PEREZ
Tags: dopamine elongation eye checkups eyeball myopia outdoor play Sunlight Vision Breaks
The Science of Blue Light: Protecting Your Eyes in the Digital Age

The Science of Blue Light: Protecting Your Eyes in the Digital Age

With the rise of screens, blue light exposure has become a growing concern. Emitted by smartphones, computers, and LEDs, excessive blue light disrupts sleep cycles by suppressing melatonin production and...
March 16, 2025 — HUGO PEREZ
Tags: amber-tinted lenses blue light exposure blue-light-blocking computers dryness melatonin production sleep cycles smartphones
Understanding the Causes of Refractive Errors

Understanding the Causes of Refractive Errors

Refractive errors, which include myopia (nearsightedness), hyperopia (farsightedness), astigmatism, and presbyopia, are among the most common vision problems worldwide. These conditions occur when the shape of the eye prevents light from focusing directly on the retina, leading to blurred vision. The causes of refractive errors are multifaceted, involving genetic, anatomical, environmental, and age-related factors.

March 16, 2025 — HUGO PEREZ
Tags: age-related anatomical astigmatism blurred vision environmental farsightedness genetic hyperopia myopia nearsightedness presbyopia Refractive errors retina