The nictitating membrane.
Persistent pupillary membrane is a condition where parts of a fetal membrane stay attatched to the eye after birth. It can cause cataracts.
The nictitating membrane is the transparent layer the covers the outside of a frogs eye. Frogs have a so-called Nictitating membrane, which they can slide over their eyes for protection. They do this while jumping and swimming.
It is called a nictating membrane.
The sensory of the membrane eye has the letters r,e,n,a,t, and i.
It is called the tympanic membrane and is used for hearing.
a flat, colored, ring-shaped membrane of the eye is called the iris
This is called the third eye lid. It will sweep the eye from time to time to clean it. It is also called a nictating membrane.
The clear transparent protective coating over the front part of the eye is called the cornea. It is responsible for focusing light into the eye and protecting the eye from dust and other particles.
It's called a retina.
Pudsey, the famous dog from Britain's Got Talent, wears an eye patch to cover his left eye, which is non-functional due to a condition called persistent pupillary membrane. This condition is a remnant of fetal development where a thin membrane covers the eye, causing vision impairment. The eye patch helps protect the non-functional eye from potential injury and also adds to Pudsey's iconic appearance.
A nictitating membrane The nictitating membrane is the THIRD eyelid, the SECOND eyelid that you asked about is just that, the eyelid, just like in humans
It is a thin lining over the eye of a frog which gives it extra protection