5 Ways To Perform Fundus Examination With 78d And 90d 2024

How to Perform Fundus Examination with 78D and 90D Lenses Using a Slit Lamp Step-by-Step Guide

Learn the step-by-step process of performing fundus examination through a slit lamp with 78D and 90D lenses. This video guide covers dilating the patient's eyes, adjusting settings, and visualizing critical fundus structures.

This video explains how to perform fundus examination through a slit lamp using 78D or 90D lenses.
Key steps include dilating the patient's eyes, adjusting the slit lamp settings, focusing the beam on the pupil, and visualizing the optic disc, macula, and retinal arcades.
It's important to note that 78D and 90D lenses provide inverted and laterally inverted views of the fundus.

In this informative video, we will walk you through the process of conducting a fundus examination using a slit lamp and the 78D or 90D lenses. Fundus examination is a crucial aspect of ophthalmology, allowing professionals to assess the health of the retina and various structures within the eye. This guide will provide a detailed step-by-step approach to ensure a thorough examination.

Dilation of the Patient's Eyes The first essential step in the fundus examination process is to dilate the patient's eyes by instilling mydriatic drops. Proper dilation is necessary to ensure a clear view of the fundus.
Slit Lamp Settings Once the patient's eyes are dilated, it's important to adjust the settings on the slit lamp. Ensure that the angle of the slit lamp is set to zero degrees. Additionally, configure the illumination with a three-millimeter width and a six-millimeter height.
Magnification and Patient Positioning Set the magnification of the slit lamp to 10x, and adjust the height of the examination table according to the patient's height. Position the patient with their chin on the chin rest and align the lateral canthus of their eye with the canthle line on the slit lamp.
Light and Patient Focus Turn on the light source of the slit lamp, but be cautious not to set the intensity too high. When examining the left eye, instruct the patient to focus on your left ear with their right eye. It's crucial to note that both the 78D and 90D lenses provide an inverted and laterally inverted view of the fundus.
Focusing on the Pupil Once the patient is properly positioned and focused, direct the beam onto the patient's pupil. Ensuring precise focus is vital for a clear examination.
Lens Placement and Movement Hold the chosen lens (either 78D or 90D) just in front of the patient's eye. Gently pull the slit lamp backward through the joystick until the fundus becomes visible. Initially, you will observe the optic disc. In the case of the left eye, slightly adjust the lens and beam to the examiner's right side to visualize the macula. To explore the superior and inferior arcades, move the lens and beam slowly. Always remember that both the 78D and 90D lenses provide an inverted and laterally inverted view of the fundus.

This comprehensive guide equips you with the knowledge and practical steps to perform a fundus examination effectively. By following these procedures, you can ensure a thorough assessment of the patient's retina and other critical ocular structures.

Remember that fundus examination is an essential diagnostic tool in ophthalmology, aiding in the early detection and monitoring of various eye conditions and diseases. Proper technique is key to obtaining accurate and valuable insights into the patient's ocular health.

Whether you are a medical professional looking to enhance your skills or simply curious about the process of fundus examination, this video guide provides valuable insights into this essential aspect of eye care. Mastering fundus examination through a slit lamp with 78D or 90D lenses is a valuable skill that can significantly contribute to the diagnosis and treatment of eye disorders.

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