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On-Sight Optics Blog

Lens education, program operations, and workplace vision safety for employees, safety leaders, and program managers.Lens education, program operations, and workplace vision safety, written for employees, safety leaders, and program managers.

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Comparison image showing the difference between standard lenses and anti-reflective (AR) lenses while driving at night. The left side shows glare from headlights without AR coating, and the right side shows a clearer view with AR lenses that reduce reflections and improve visibility.

Lens Education

October 15, 202414 min read

Anti-Reflective: Is It Really Necessary?

Anti-Reflective Coating: Useful Upgrade or Unnecessary Add-On?

What AR coating actually does, when it makes a difference, and how it changes the way you see at work, on the road, and at home.

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Latest articles

5 published

Hand holding a pair of clear ANSI Z87 safety glasses with protective side shields.

Compliance

February 10, 202511 min read

What Exactly Are Safety Glasses? Understanding Z87, ANSI & OSHA Standards

What Z87 and ANSI Z87.1 mean, how OSHA enforces eye protection, when Z87+ is required, and how safety eyewear requirements vary by industry.

Comparison chart showing HSA, FSA, LPFSA, and HRA accounts with columns for who owns each account, paycheck impact, eligible expenses, and rollover rules.

Employee Wellness

January 15, 202510 min read

Protecting Your Benefits: A Clear Guide to HSA, FSA, LPFSA, and HRA

HSA, FSA, LPFSA, and HRA explained in plain terms: who owns each account, what it covers, and how to use your benefits for vision care and workplace safety.

Illustration of a yellow sun with the letters UV in the center, representing ultraviolet light and sun exposure.

Lens Education

December 5, 202412 min read

Why UV Protection Still Matters on Cloudy Days

UV light reaches your eyes even when the sky is overcast. Learn how UVA and UVB differ, why cloudy days are misleading, and how to protect your vision every day.

Person outdoors wearing a blue medical mask and glasses fogged from warm breath rising into the lenses due to limited airflow.

Lens Education

November 20, 202413 min read

Fogging on Glasses: What It Is, Why It Happens, and What Can Help Prevent It

How fogging forms on lenses, why common anti-fog tips fall short, and practical habits that help keep your vision clear at work and in cold weather.