A cataract is a clouding of the lens in your eye and normally occurs as part of the ageing process. When you develop a cataract, light is unable to pass directly through your lens to the retina, resulting in blurred vision. Cataracts are removed by surgery.
Smallest Size of Turtle Species. The prize for the smallest turtle species in the world goes to the speckled padloper tortoise (Homopus signatus). This tiny terrestrial turtle, also known as the speckled cape tortoise, travels along narrow trails and pathways in Namaqualand, South Africa. In fact, the term âpadloperâ means trail walker.
The Leatherback sea turtle (Demochelys coriacea)is the biggest turtle on earth. It is considered endangered as its population has decreased from 115000 in 1982 to 20000-30000 in 1996, The main threats to this animal are loss of nesting habitat, theft of eggs by humans, illegal hunting and global climatic change.