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Paula Anne Newman-Casey, M.D., M.S., is a glaucoma specialist at the University of Michigan Kellogg Eye CenterTo learn more about glaucoma, visit: http://www...
- 38 sec
- 46.1K
- U-M Kellogg Eye Center in Ann Arbor
May 20, 2024 · What is a visual field test? A visual field test is a type of eye exam that measures a person’s entire scope of vision, including their peripheral vision. Why is it important to test a child’s visual field? Testing a child’s visual field can help detect any vision problems or eye diseases early on, which can prevent further damage to ...
In this video Komal Hirani explains what is involved in having a visual fields test.
- 3 min
- 161.9K
- Royal Free London NHS Foundation Trust
- Basic Pediatric Eye Exam
- Outline
- General Approach
- Stereopsis
- Worth Four Dot Test
- Extraocular Motility
- Confrontation Visual Fields
- Visual Acuity
- Intraocular Pressure
- Pupils
This is Salma Dawoud and David Ramirezfrom the University of Iowa. In this video, we will provide an overview of basic pediatric ophthalmic examination techniques for medical students, interns and early ophthalmology residents.
We will discuss the general approach to examining children, stereopsis, the Worth four dot test, extraocular motility, confrontation visual fields, visual acuity, intraocular pressure, pupils, and the anterior segment and funduscopic exams. We will not discuss cover testing or retinoscopy; for these maneuvers, please see the EyeRounds tutorials at ...
Examination of a child involves a unique set of challenges. However, with patience, creativity, and flexibility, the exam can be performed successfully. Making the exam feel like a game is often very effective. This may involve using visually interesting toys and lights, asking silly questions, or examining a favorite stuffed toy. Remember, parents...
The first step in the pediatric eye exam is measuring stereopsis, or depth perception. This is always performed first because it depends on intact fusion. Stereopsis testing should always be performed prior to cover testing as cover testing disrupts fusion and thus can affect stereopsis. Test stereo in young children using stereo glasses. A traditi...
In pediatrics, the Worth four dot test is mainly used to assess for suppression. A full review of the applications of this test is beyond the scope of this video. To start, have the child wear red-green glasses, with the red lens over the right eye. Display the four dots of the Worth four dot test: 1 red dot, 2 green dots and 1 white dot. Perform t...
Check motility by having the child look in the 6 cardinal directions of gaze. Toys and flashing lights can be helpful for tracking. Keep the head still if possible and make sure to check the extremes of gaze.
Confrontation visual fields can be tested in a similar manner. Cover one eye and hold an interesting object in one hand outside of the visual field. While having the child fixate on your nose, slowly move the object towards fixation and observe for a saccade. This indicates the field is intact. Test all four quadrants.
Next, we will assess visual acuity. Normal visual responses vary depending on the age of the child. At all ages, assessing for symmetry of vision or preference for one eye is critical. In babies up to three months old, blinking or wincing to light is an appropriate response. Older infants should fixate on and follow a visual target with each eye in...
Next, we will assess intraocular pressure with an iCare, which does not require numbing drops. Ask the child to look straight ahead. Rest the support pad on the patient's forehead and center the probe perpendicularly to the central cornea. Press the button to collect a measurement as the probe bounces off the cornea. If the reading is abnormal, it ...
Next is the pupil exam. In many ways, this is identical to the adult pupil exam. However, there are important considerations for the pediatric population. Make note of the red reflex, ensuring it is present and equal in both eyes. Evaluate the pupils in light and dark environments while the child fixates on a distance target. Remember that children...
A visual field test checks for gaps where your child is unable to see and measures how sensitive the vision may be in different parts of the visual field. Visual field testing can help detect and monitor various conditions, including glaucoma.
Mar 20, 2024 · What is a visual field loss? The visual field is the whole of what your child sees. Vision is best in the centre of the visual field, getting more blurred at the edge. Visual field loss is where certain areas of an object or scene are missing. Visual field loss may affect the periphery or the central areas of vision, or both.
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Automated visual field testing can give valuable information in the diagnosis and management of glaucoma, optic nerve disorders, and other eye and brain problems that can affect vision.
- 4 min
- 17.3K
- eyePorter
