Additionally, a person with normal vision has a total visual field of 180 degrees for peripheral vision while someone who is legally blind only has the ability to see objects that are located within a 20 degrees visual field.
Most people love cheese, whether in chunks or strips, or melted on bread for a grilled sandwich. It is a part of the cuisine of nearly every culture, and variations on the theme are legion. Cheese is usually categorized into four types: soft, semi-soft, semi-hard and hard.
1 Soft: These include Brie, Camembert, and Ricotta varieties. 2  Semi-soft: These include Gouda, Havarti and Jack, all of which are suitable for melting or eating as is. 3  Semi-hard: These include cheddar cheeses. 4  Edam is a cheddar cheese.