A primitive type is predefined by the language and is named by a reserved keyword. Primitive values do not share state with other primitive values. The eight primitive data types supported by the Java programming language are: byte: The byte data type is an 8-bit signed two's complement integer.
What Is Optic Neuritis? Optic neuritis is an inflammation of the optic nerve, a bundle of nerve fibers that carry images from your retina to your brain. Each fiber carries part of the visual information to the brain. In optic neuritis, some or all of the nerve fibers become inflamed and do not function properly, and vision becomes blurred.
Optic neuritis (ON) is a condition in which your optic nerve (the nerve that carries visual information from your eye to your brain) becomes inflamed. Inflammation causes vision lossâalthough usually in only one eye. As you recover and the inflammation goes away, your vision may return. diagnosis of optic neuritis is based on physical exam, symptoms, and medical history. To ensure correct treatment, your doctor may perform additional tests to determine the cause of your ON. Types of illness that can cause optic neuritis include: 1  autoimmune neuropathies, such as systemic lupus erythematosus.