Dr. Ants Haavel
Ophthalmologist, CEO of KSA Vision Clinic
Dr. Ants Haavel is an ophthalmologist and founder of KSA Vision Clinic with over 25 years of clinical experience. He has performed more than 55,000 eye procedures, including Flow3 laser correction, dry eye diagnostics and treatment, and cataract surgery. Dr. Haavel is one of Estonia's most recognised refractive surgery specialists. He regularly presents at international ophthalmology conferences and practises evidence-based medicine. All medical claims on the KSA blog are reviewed and approved by him.
128 articles
The Molecular Battleground of Macular Degeneration: How Cellular Garbage Collectors Fight AMD and Why Clogged Systems Lead to Blindness
Retinal cells use a TREM2 sensor to clear toxic fats before they harm vision. Overactive microglia can trigger dry AMD's barrier collapse or wet AMD's vessel growth.
The Daily 10% Shed: How Your Eyes Rebuild Themselves Every Ten Days
Photoreceptors shed and rebuild ten percent of their discs daily, fully renewing every ten days as the RPE recycles the debris. Overload lets waste build up and fuel macular degeneration.
Your Brain's Built-In Camera Stabilizer: How Glasses Disrupt Your Natural Movement
Eyeglass lenses subtly resize the visual world, disrupting the reflex that keeps gaze steady during motion. Berkeley and Meta researchers found a 2-4% shift causes measurable dizziness.
The Brain's Nightly Deep Clean: How Deep Sleep and Microscopic "Gardeners" Shield You Against Alzheimer’s Disease
Deep sleep lets microglia prune synapses by nearly a fifth nightly and clear toxic proteins. Chronic sleep loss turns these cells destructive, leaving amyloid damage visible in retinal scans.
Precision at the Speed of Light: How the Laser Technology Behind Flow3 Works
The Flow3 laser fires 1,050 pulses a second yet treats each eye in under 30 seconds. Five engineering systems keep the flapless procedure fast-healing and glare-free.
The Cancer Mimic in Your Orbit: The Retina's Warburg Effect
The healthy retina mimics tumours, using the Warburg effect to fuel constant renewal of light-sensing cells. Its breakdown is linked to AMD and diabetic retinopathy.
The Invisible Editor: Why Your Brain Works Overtime to Make Your Glasses Feel "Normal"
Lenses subtly warp the world, forcing the brain to rewire its vestibulo-ocular reflex until distortion feels normal. That hidden correction drains energy, leaving eyes and temples tired by evening.
The Digital Clog: How Screens and Blue Light Stall the Daily Cleanup of Eye and Brain
Blue light and late snacking jam the eye and brain's nightly cleanup systems. Screen curfews and the 20-20-20 rule can restore them, keeping vision and cognition sharp.
The Metabolic Shield: How Ketogenic Pathways Support and Protect the Retinal Ecosystem
Retinal support cells clear daily debris from rods and cones, guided by the sensor mTOR. Fasting or ketogenic diets switch mTOR to clean-up mode, freeing glucose for photoreceptors.
Why the Future is Completely Cut-Free: How Flow3 Protects Your Eyes' Biomechanical Strength
Traditional LASIK cuts a corneal flap, weakening the eye and severing tear-regulating nerves. Flow3 reshapes the surface without cutting, preserving strength for active lifestyles.
The Path of Central Vision: How the Fovea Was Shaped by History and Biology
Early mammals lost sharp foveal vision after going nocturnal, but primates later rebuilt it for daylight. The pit shape forms from mechanical stretching of the embryonic eye, not cell loss.
The Midnight Engine: Why the Visual System Operates with Constant Activity in the Dark
Photoreceptors stay active in darkness, holding ion channels open and burning oxygen and glucose. This dark current, fed by the choroid, lets retinal exams reveal circulation problems elsewhere.