You don't need any specific preparation before undergoing a slit lamp exam. However, just before the test, the eye doctor may place eye drops to dilate (widen) your pupils. If the patient complains of seeing spots, floating particles or fog, I always check the condition of the previous vitreous with a slit lamp through a dilated pupil before placing the indirect endoscope on me. Once they are working, the ophthalmologist will re-examine you with the slit lamp, using a different lens to look at the back of the eye.
A slit lamp is one of the devices that your healthcare provider can use to check the health of your eyes. A dynamic technique To observe the anterior vitreous, the patient's pupil dilates and sits on the slit lamp. After the slit lamp exam, your healthcare provider may tell you that your eyes appear to be healthy and that no disease has been detected. An indirect dilated slit lamp exam revealed more than 2 signs of Shafers, or tobacco dust, in the anterior vitreous.
To do this, a Volk lens (or similar) is used to view the optic disc, and then the slit lamp is moved away from the patient to blur the retina and observe the rear vitreous base. A slit lamp exam may be used to help diagnose conditions such as glaucoma, cataracts, macular degeneration, retinal detachment, and more.