India, Jan. 28 -- Have you ever woken up with swollen eyes or puffy eyelids and wondered why? Many people blame allergies, lack of sleep, or stress. While these are common reasons, there's another cause that often goes unnoticed, your thyroid gland.

Dr Smit Bavaria, Cataract, Glaucoma, and LASIK Surgeon at Aditya Jyot Eye Hospital, Wadala, a unit of Dr Agarwal's Eye Hospital, shares with HT Lifestyle how thyroid problems can first show up in the eyes, causing puffiness, swelling, redness, or dryness, and why early detection is important for maintaining eye health. (Also read: Hyderabad eye surgeon explains why most vision loss in India is preventable but often detected too late )

"The thyroid is a small gland in the neck that controls h...