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Posts by Dr. Steven Liem

Colorful soccer ball with abstract patterns on green grass in a stadium.

Tracking the Ball in Football and Rugby

Two clear circular glass filters with dark edges, set against a blue background.

Polycarbonate Lenses: Features and Benefits

Close-up of a hazel-colored eye with visible eyelashes and light reflection in the pupil.

Amber Eyes: Nature’s Rare Gem

Cartoon-style thermometer with a red and green temperature bar on a red background.

Which is Better: Warm or Cool Compresses?

Diving board overlooking a swimming pool with lanes and swimmers.

Clear Vision and Water Sports

Cup of black coffee with a spoon surrounded by sugar cubes on a red background.

The Effects of Caffeine on Your Vision

Red GUESS eyeglass case with a black cleaning cloth.

Guess Frames: A Stylish Choice for Every Face

Colorful round tinted lenses arranged diagonally, including purple, orange, blue, pink, green, yellow, and gray.

Making Sense of Different Lens Add-Ons

Dual-lens optical microscope with focus adjustment knobs.

Macular Degeneration: Facts and Prevention