Dr. Davinder Sidhu

Dr. Davinder Sidhu Award-Winning Optometrist in British Columbia 🇨🇦

Every blink spreads a fresh layer of tears across the eye, but screen use changes that.During near work, blink rate can ...
12/01/2025

Every blink spreads a fresh layer of tears across the eye, but screen use changes that.

During near work, blink rate can drop by 50–80%, and many blinks become incomplete.

This reduces tear film stability, leading to dryness and fluctuating clarity that worsens as the day goes on.

Conscious blinking and short visual breaks can help reset the tear film and maintain focus.

Save this for your next screen session.

[PMID: 24413278, 23538437, 35809192]

11/29/2025

Blue-light blocking lenses are popular, but research shows they may not do as much as people think.

Multiple systematic reviews, including a Cochrane review, found little to no evidence that they reduce digital eye strain or improve sleep quality compared to standard lenses.

Instead, focus on screen breaks, brightness control, and proper ergonomics for lasting comfort.

Share this with someone who still believes blue-light glasses fix everything.

[PMID: 37593770, 29044670]

The eating pattern most linked to lower risk of advanced age-related macular degeneration? The Mediterranean diet.Cohort...
11/29/2025

The eating pattern most linked to lower risk of advanced age-related macular degeneration? The Mediterranean diet.

Cohort studies show that people who follow this pattern, rich in carotenoids, omega-3s, polyphenols, and low-glycemic foods, have significantly lower odds of AMD progression.

Its benefits come from the nutrients that support the retina and reduce oxidative stress.

Make it tonight: salmon, tomatoes, olives, onions, and herbs served over farro or barley.

[PMID: 30114418, 35631175]

Anxiety doesn’t just live in the mind — it’s written in our vision. Just as stress can change how we see, how we see can...
11/28/2025

Anxiety doesn’t just live in the mind — it’s written in our vision. Just as stress can change how we see, how we see can change how we feel.

When we’re anxious, our pupils dilate, blink rate drops, and our visual system shifts into “threat mode” — prioritizing motion and contrast over detail and comfort. This hypervigilant state can heighten light sensitivity, blur, and eye strain, especially during sustained focus or screen work.
🧠 [PMIDs: 30704339, 27115428]

But it works both ways.

Distorted, blurred, or unstable vision feeds the brain a constant signal of uncertainty — reinforcing the same neural circuits that drive anxiety and tension. Patients with chronic visual stress or eye conditions show higher rates of generalized anxiety and reduced emotional resilience.
👁️ [PMIDs: 35145163, 29726914]

Caring for the eyes and the nervous system together can calm this feedback loop.

Simple acts like intentional blinking, grounding focus shifts, visual–breathing coordination, and consistent eye care can retrain both perception and presence.

Because clear vision isn’t only about sight — it’s about feeling safe in the world you see.

📲Save and share this with someone who feels their eyes tighten when their mind does.

Anxiety can change how vision loss affects daily life.In people with chronic eye disease, higher anxiety levels amplify ...
11/27/2025

Anxiety can change how vision loss affects daily life.

In people with chronic eye disease, higher anxiety levels amplify the emotional and functional impact of reduced vision, lowering overall quality of life.

Treating both the eyes and the mind leads to better outcomes for focus, comfort, and well-being.

Save this and share it with someone managing vision changes.

[PMID: 35145163]

11/27/2025

The 20-20-20 rule isn’t just a helpful reminder, it’s supported by clinical evidence.

In a randomized controlled trial, practicing 20-second breaks every 20 minutes to look 20 feet away reduced dry eye symptoms over a two-week period.

While the study didn’t show major changes in clinical signs or binocular vision in that time frame, the symptom relief alone is meaningful for comfort and focus during screen-heavy days.

Save this for your next work session.

[PMID: 35963776]

The eyes don’t work in isolation, how you rest, move, and manage stress all affect their comfort.A 2025 review found tha...
11/25/2025

The eyes don’t work in isolation, how you rest, move, and manage stress all affect their comfort.

A 2025 review found that psychosomatic factors meaningfully influence dry-eye symptoms, and combining ocular surface treatment with stress, sleep, and mindfulness interventions offers stronger outcomes.

Pair medical therapy with mind–body care for complete relief and lasting comfort.

Save this and share it with someone managing dry eyes.

PMID: 40909460

11/25/2025

The best way to start focused work? A quick reset.

Just 15 seconds of mindful blinking and distant focus can improve attention and comfort.

Try it before your next screen session and feel the difference.

Evenings are the best time to give your eyes a real reset.Dim your lights, lower screen brightness, and put your devices...
11/24/2025

Evenings are the best time to give your eyes a real reset.

Dim your lights, lower screen brightness, and put your devices away at least 30 minutes before bed.

Use a warm compress or gentle blink routine to relax the eye muscles and support natural moisture.

Share this with someone who spends their nights on screens.

Before you dive into your screen, take a minute to prepare your eyes.An AM visual warm-up helps reduce strain, improve f...
11/22/2025

Before you dive into your screen, take a minute to prepare your eyes.

An AM visual warm-up helps reduce strain, improve focus, and keep your vision clear throughout the day.
Try this simple routine:

• Blink slowly 5–10 times to rehydrate your eyes
• Focus on a distant object for 10 seconds
• Roll your eyes gently in each direction
• Adjust your screen brightness to match the room light

Starting your day with mindful eye care can make every task feel sharper and more comfortable.

Share this with someone who starts their morning on a screen.

11/22/2025

Blue-light glasses can help with comfort for some people, but they’re not a cure for digital eye strain.

The best protection still comes from good lighting, breaks, and proper screen habits.

Share this with someone who swears by their blue-light lenses.

Sunglasses do more than reduce glare, they protect your eyes from long-term UV damage.Follow these simple habits for hea...
11/20/2025

Sunglasses do more than reduce glare, they protect your eyes from long-term UV damage.

Follow these simple habits for healthier vision outdoors:

• Choose lenses with 100% UVA and UVB protection
• Wear them even on cloudy days
• Pick wraparound styles for extra coverage
• Keep a spare pair in your bag or car

Consistent protection helps preserve your eyes year-round.

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