Syphilis is a sexually transmitted infection (STI) caused by bacteria. Syphilis is spread through direct contact with the sores of an infected person. This usually happens through sexual activity, especially unprotected sex. It can also spread through sharing needles or contact with the blood of an infected person. If you are pregnant, you can give syphilis to your baby.
Simultaneous red reflex test [edit]. The simultaneous red reflex test is used to view both reflexes at the same time. This can help determine if the patient has normal ocular alignment. In order to perform this test the patient and physician are normally approximately 2 to 3 feet away from each other.imultaneous red reflex test [edit]. The simultaneous red reflex test is used to view both reflexes at the same time. This can help determine if the patient has normal ocular alignment. In order to perform this test the patient and physician are normally approximately 2 to 3 feet away from each other.
An asymmetrical red reflex, when only one eye reflex appears red, or one eye's red reflex is dimmer than the other, may be an indicator of strabismus, or misalignment of the eyes, a condition in which both eyes do not look at the same place at the same time.