The pupil is also called as a window of the eye which changes its shape depending upon the intensity of light normally. It has to be central round reacting to light both direct and indirect.
It is through this pupil we can see inside of eyes like optic nerve and retina. There are various ocular conditions and drugs which can alter the shape of pupil various conditions are Cong we can have more than one pupil called as polycoria In axendfels iris anomaly, we can have more than one pupil In Cong coloboma of iris pupil is down and In trauma & in blunt trauma we can get traumatic miosis mydriasis or polycoria Drugs like miotics and mydriatics can make pupils small and dilated respectively Post-surgical one may get updrawn or boat-shaped pupil Pinpoint pupils in pontine haemorrhage Opium addicts and Cannabis indica Irregular pupil due to post synekia in iritis ARP …