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Different types of anatomy. 1  Gross anatomy involves anything that could be seen with your unaided eye. 2  Surface anatomy is a subset of gross anatomy that is anything that can be revealed on the skin. 3  Microscopic anatomy is known as histology which is the study of tissues.
There are two main types of scleritis: anterior and posterior. Scleritis is categorized depending on what part of the eye is affected. Anterior Scleritis. Anterior scleritis can be further divided into the following three types: Diffuse Scleritis: The most common type of scleritis, involving the front half of the sclera. Nodular Scleritis: Small, tender nodules form on the sclera, representing generalized inflammation. Necrotizing Scleritis: Also known as scleromalacia perforans, this type can be very serious and may result in loss of vision.