Prescribing of contact lenses is usually restricted to various combinations of ophthalmologists, optometrists and opticians. It is typically performed by orthoptists, ophthalmologists and optometrists during eye examinations. Pediatricians, gynecologists, audiologists, ophthalmologists and other specialists participate in such camps. Ophthalmologists and optometrists are able to provide this service. Optometric tasks are performed by ophthalmologists and professionally trained and certified opticians. It is frequently performed by ophthalmologists and optometrists as part of an eye examination. Instructors may be optometrists, ophthalmologists, or professors (Ph.D.). Ophthalmologists or optometrists may prescribe a low-dose, oral antibiotic such as Doxycycline. Among its products are the most common tools used by ophthalmologists and optometrists. For several years he worked for various optometrists and ophthalmologists. Specialists, like ophthalmologists or audiologists, can test for perceptual abilities. Ophthalmologists and radiologists earned more than $445,468 per year. In ophthalmology, Dr. Robert Jebejian (1909-2001) was among the first ophthalmologists in Syria. However, typically only ophthalmologists are licensed to perform surgical procedures. Overseas-trained ophthalmologists are assessed using the pathway published on the RANZCO website.