Why do we do slit lamp exam?
A slit lamp exam can help diagnose the following conditions: macular degeneration, a chronic condition affecting the part of the eye that is responsible for central vision. detached retina, a condition when the retina, which is an important layer of tissue at the back of the eye, becomes detached from its base.
What do the results of a slit lamp examination mean?
What Your Results Mean. After your slit lamp exam, your healthcare provider might tell you that your eyes appear healthy and no diseases have been detected. The exam can also detect a problem with your eye or eyes.
How do you conduct a slit lamp exam?
Align the slit lamp beam so it is perpendicular to the patient’s eye, going straight through the pupil. Looking through the slit lamp, you should be able to see the red reflex, the beam should be traveling perfectly through the center of the pupil, and the iris should be in focus.
How do you examine the anterior chamber slit lamp?
Although gonioscopy is the definitive method for examining the iridocorneal angle, the depth of the anterior chamber depth can be approximated by directing the slit beam toward the corneal periphery at an angle of about 60° and examining the distance between the inner surface of the cornea and the iris (van Herick …
How do you check endothelium on a slit lamp?
The technique for viewing the endothelium involves using a slightly broadened slit beam and setting up the illumination system and microscope so the angle of incident light is equal to the angle of reflection.
What is split eye?
General Discussion. Retinoschisis means splitting of the eye’s retina into two layers. There are two forms of this disorder. The most common is an acquired form that affects both men and women. It usually occurs in middle age or beyond, although it can occur earlier, and it is sometimes known as senile retinoschisis.
What is Gonioscopy test?
Gonioscopy is an eye examination to look at the front part of your eye (anterior chamber) between the cornea and the iris. Gonioscopy is a painless examination to see whether the area where fluid drains out of your eye (called the drainage angle) is open or closed.
What causes split retina?
Most cases of juvenile retinoschisis are the result of a mutation in the RS1 gene. This gene contains the information that the body needs to make retinoschisin. Studies suggest that this protein keeps the retina working properly. When there is less retinoschisin due to this mutation, the retina can start to split.
What Causes Split vision?
Double Vision Causes. A range of conditions can cause double vision, including problems within the eye, such as the cornea or lens. Other underlying causes can involve muscles or nerves controlling eye function and movement, or issues in the brain.
What causes small bleeds in the eye?
Share on Pinterest Causes of subconjunctival hemorrhage can include sneezing, coughing, and an injury to the eye. A red spot on the eye, or subconjunctival hemorrhage, usually occurs as a result of increased blood pressure. In some cases, subconjunctival hemorrhages can appear without any identifiable cause.
How to perform slit lamp eye exam?
Slit lamp exam is the most important part to detect any abnormality or disease during eye examination. Patient should be positioned comfortably with his chin resting on chin rest and forehead opposed to head rest. The height of the table housing the slit lamp should be adjusted according to patient’s height.
What are the risks of slit lamp examination for diabetic retinopathy?
The risks associated with slit lamp examination are minimal. Patients with eye pain or photosensitivity may not tolerate the exam well, in which case efficiency and low light facilitate the examination. Use of the neutral-density filter can be helpful when patients exhibit photosensitivity, tearing, or apprehension during the exam.
What is the proper position for slitlamp exam?
Slit lamp exam is the most important part to detect any abnormality or disease during eye examination. Patient should be positioned comfortably with his chin resting on chin rest and forehead opposed to head rest.
What is a biomicroscope (slit lamp)?
The slit-lamp, or biomicroscope, is probably the single most important objective instrument in contact lens practice, allowing detailed examination of the anterior segment of the eye.