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Posts by Dr. Steven Liem

Green rectangular eyeglasses with clear lenses displayed on a white pedestal against a blue background.

Zenni’s Protective Glasses: Your Shield Against the Everyday

Pupillary Distance (PD) measurement between two eyes with arrows indicating the distance.

Measuring Made Easy: Zenni’s Online PD Tool

Zenni VR lens inserts for Meta Quest, with "Zenni Made for Meta" text displayed above the headset.

Zenni and Meta: A New Vision for Virtual Reality

Purple children's eyeglasses with flexible temples. Includes two purple clips and pink adjustable strap.

Zenni’s Unbreakable Kids Glasses: Perfect for Your Little Adventurer

Person in a white lab coat wearing safety glasses, examining a beaker with blue liquid.

Safety First: Zenni’s Diverse Range of Safety Glasses for All Professionals

Four pairs of sunglasses with colored lenses: blue, black, orange, and yellow.

Zenni Optical: Celebrated for Outstanding Online Glasses Deals

Black wayfarer sunglasses with dark green lenses.

Zenni’s G-15 Green Polarized Lenses: Iconic Style & Unbeatable Value

Boy wearing blue glasses playing video games with a white controller.

Gaming and Eye Strain: A Crucial Discussion

Close-up of a person wearing blue gloves holding a lens, reflecting their face with glasses.

The Role of Cylinder and Axis in Correcting Astigmatism