From vision defects to rainbows and sky colour, here’s a quick-scoring, concept-based summary aligned with the CBSE dual exam system.

A close-up photograph of what appears to be a light-brown human eyeball shows the organ's expansive, cavernous depths surrounding a seemingly bottomless, black pit that, together, mimics the intricate ...

The new model mimics the structure and function of the human conjunctiva in a lab dish, even producing its own tears. When you purchase through links on our site, we may earn an affiliate commission.