All About Eyes
What are eyes used for in terms of light?
In terms of light, the eye is a complex optical system which collects light from the surrounding environment.
What does nocturnal eyes mean?
Species with nocturnal eyes have tubular eyes, which are low numbers of colour detectors, but a high density of rod cells which function well in poor light.
What light penetrates to the sea.
Blue light
Different layers of eyes can create what damage to the eye?
Sore or irritated eyes and difficulty focusing.
True or False: Our eyes are not sensitive to a very narrow band of frequencies within the enormous range of frequencies of the electromagnetic spectrum.
False
Light is focused primarily by the ______ - the clear front surface of the eye, which acts like a camera lens.
The cornea.
What are the effects of ultraviolet?
Ultraviolet (UV) light carries more energy than visible light and can burn the skin, increasing the risk of skin cancer.
The __________________ sees red light in the form of chlorophyll.
The loose-jaw dragon fish
What is a digital eye strain?
What is the relationship between wavelengths of light and eyes.
Wavelengths helps us see colour.
How does the retina of the eye work?
The retina acts like an electronic image sensor of a digital camera, converting optical images into electronic signals. The optic nerve then transmits these signals to the visual cortex - the part of the brain that controls our sense of sight.
What is the electromagnetic spectrum.
A spectrum of different types of wavelengths in light.
Which level of the ocean would the organisms using UV light in?
Abyssal Zone
True or False: Different light waves affects the human body negativity.
True
True or False: Different layers of the eye allows us to see different points of light through refraction, and reflecting.
True
Give two examples of types of eyes.
Nocturnal and Diurnal
____________ and _________ both represent extremely high-energy radiation.
X-rays and Gamma rays
Organisms in the ____________ of the ocean would need to adapt to loads of light penetration and need protection on their lenses of the eye to not damage it through too much wavelengths of light.
Higher levels
What effects to the human body does ultraviolet light have?
Burn the skin
Visible light is made up of what colours in the septum?
Rainbow
What does the colour has effect on the eyes?
People with lighter eyes tend to be more sensitive to light, a result of having less pigment in the iris to protect them from sunlight. That can place them at a greater risk of macular degeneration and other eye-related problems.
Which animal has diurnal eyes.
Birds
What do organisms in the sea use wavelengths for?
To see different colours in different levels of the ocean.
How does retina damage happen?
Continued exposure to blue light over time could lead to damaged retinal cells.
White is created of _______ and _________ rays.
Infrared and Ultraviolet rays