Kellogg Eye Center Vitreous Degeneration 1 ! Vitreous Degeneration This material will help you understand vitreous degeneration and how it is treated. What is vitreous degeneration? Vitreous is the gel-like substance that fills the inside of the eye behind the lens (see image on the right). Before you were born, it helped maintain the shape of the eye and nourish the eye as it developed.
The formula used to calculate surface area for the classic square pyramid is: SA = [2 * b * h] + b^2. 1  SA and l represent the same values as before. 2  The abbreviation b represents the base length of the pyramid. 3  Note that [2 * b * h] is used to calculate the lateral area of the square pyramid.
The total surface area of a regular pyramid is the sum of the areas of its lateral faces and its base. The general formula for the lateral surface area of a regular pyramid is L.S.A.=12pl where p represents the perimeter of the base and l the slant height.