Many people assume that deteriorating eyesight after age 40 is an unavoidable part of aging. However, ophthalmologist and surgeon Dr. Demidov explains that blurry vision and chronic eye strain are frequently caused by the prolonged overexertion of a single internal structure: the ciliary muscle. Understanding how this muscle functions and integrating simple visual habits into your daily routine can help preserve visual clarity and eye health over time.

The Critical Role of the Ciliary Muscle

Because there is no blood circulating directly inside the eye, internal tissues rely on a transparent intraocular fluid to supply nutrients, deliver oxygen, remove metabolic waste, and maintain healthy intraocular pressure. The ciliary muscle acts as an essential pump that drives the circulation and renewal of this fluid. Beyond circulation, it controls the lens to switch focus between near and distant objects. When the ciliary muscle is held under continuous tension, intraocular fluid circulation slows, starving ocular tissues of oxygen and nourishment, ultimately resulting in chronic visual fatigue and blurred vision.

Habits That Strain Your Eyes

Constant close-up tasks severely impair the eye’s natural function. The most common contributors to chronic ciliary spasm include:

• Prolonged focus on screens or books without breaks.
• Holding phones or reading material too close (under 35–40 cm).
• Poor lighting, which forces the pupil to dilate and further increases muscle load.
• Poor posture, such as slouching or bending toward a screen, which impairs blood flow through the neck to the head.

Daily Habits to Restore Focus and Circulation

Rather than relying on occasional, tedious eye routines, Dr. Demidov advocates embedding natural focal shifts directly into daily activities:

• Frequent Focus Shifting: Shift your gaze between near objects and distant targets 10 to 15 times throughout the day to alternate muscle contraction and relaxation.
• The 30-Minute Break Rule: Avoid staring statically at screens. Look away into the distance or around the room for 20 to 30 seconds every half hour.
• Optimize Ergonomics: Maintain adequate lighting, use larger fonts, sit upright, and position monitors 50 to 60 cm away from your eyes.
• Micro-Rituals: Take advantage of everyday pauses—such as waiting for an elevator or looking out a window—to change focal depth instead of scrolling on your smartphone.

Self-Assessment and When to See a Doctor

Persistent muscle spasms can increase the risk of serious complications, including accommodation disorders, progressive myopia, elevated intraocular pressure, glaucoma, and cataracts. Warning signs include worsening distance vision in the evening, headaches around the forehead or eyebrow area after reading, sandy or heavy eyes, and temporary improvement in vision after weekends or periods of rest. If persistent fatigue or blurred vision remains despite proper visual hygiene, a comprehensive eye examination is necessary to inspect intraocular pressure, the retina, and the optic nerve.

Mentoring question

Which small habit in your daily screen routine can you alter today to give your eyes regular moments of rest?

Source: https://youtube.com/watch?v=2WjvqIQQ0Tw&is=nWs8IfDmKXBbViS6