Importance and Types of Pupillary Light Reflex | Contraction of Pupil (Miosis) | Shekar Eye Hospital

Dr. Sarbani Ghosh, a senior consultant at Shekar Eye Hospital in Bangalore, explains the significance of the pupillary light reflex in this video.

The pupil is the black circle in the center of the eye that controls the amount of light that enters the retina. It's like the aperture of a camera, regulating the light.

The pupillary light reflex is the response of the pupil to changes in light intensity. It helps our eyes adjust to different lighting conditions, such as dilating in the dark and constricting in bright light. This reflex can also be used as a diagnostic tool to assess the function of the eye's sensory and motor systems. It can identify potential issues such as retinal detachment, brainstem dysfunction, midbrain lesions, and brain tumors.

An abnormal pupillary light reflex is called an Afferent pupillary defect or Efferent pupillary defect. This occurs when the pupil doesn't respond as expected, either dilating instead of constricting in response to light or showing no response at all.

Timestamps

00:00 - Introduction
00:38- What is Pupillary Light Reflex?
1:25- What is a direct or indirect pupillary reflex?
3:21- Why is it important to know about the pupillary reflex?

In conclusion, the pupillary light reflex plays an essential role in our visual system. Besides its contribution to our vision, it also serves as a diagnostic tool for assessing the integrity of the sensory and motor function of the eye and detecting other potential issues. Hence, it is crucial to pay attention to the pupillary light reflex and seek medical advice if any abnormalities are noticed.

Shekar Eye Hospital is a NABH- National Board of Hospitals & Healthcare Providers accredited with a vision to become the premier eye care organization by achieving excellence in patient care through the latest medical technology and quality healthcare services.

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Disclaimer: These videos provided by Shekar Eye Hospital are intended to provide unbiased scientific information to the general public. The videos are generic and are meant to provide general information for educational purposes only. They do not serve as a guide for treatment in any individual case. Patients are advised to consult a practicing doctor for specific treatment advice.

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