Jennifer Tsai

American optometrist and founder of LINE OF SIGHT

Jennifer Tsai is an American optometrist, entrepreneur and influencer based in New York City, where she is a board-certified optometrist specialising in dry eye treatment, ocular aesthetics and regenerative eye and skin therapies. She is the founder of LINE OF SIGHT and studied at the University of Virginia and Salus University. She had about 600,000 social media followers in 2025. Her YouTube channel, Dr. Jen, covers eyecare, beauty, wellness and lifestyle and had 39,300 subscribers in April 2025.