An example of one of these devices is a column chromatography bed, meaning that the stationary bed is in a tube. In some situations, chromatography is used as a method of purification. This is referred to as preparative chromatography. Another use of chromatography is analytical chromatography. This method of separation occurs with smaller amounts of material and is used to measure analytes in a mixture.
Flashing lights and floaters may be the initial symptoms of a retinal detachment or of a retinal tear that precedes the detachment itself. Anyone who is beginning to experience these symptoms should see an eye doctor (ophthalmologist) for a retinal exam.
Types of Doctors Who Treat RA. Youâll likely see a number of different types of doctors over the course of your RA treatment. Your primary care provider (PCP) should be your first stop if you experience any RA symptoms. Your PCP can give you an RA diagnosis. They can also refer you to a rheumatologist or other doctor for further treatment.