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- A cataract is a clouding of the lens inside the eye which leads to a decrease in vision. It is the most common cause of blindness and is conventionally treated with surgery.
- It is most commonly due to biological aging but there are a wide variety of other causes. Over time, yellow-brown pigment is deposited within the lens and this, together with disruption of the normal architecture of the lens fibers, leads to reduced transmission of light, which in turn leads to visual problems.
- Sure cataracts are harmful to those with cataracts as they experience difficulty in appreciating colors and changes in contrast, driving, reading, recognizing faces, and coping with glare from bright lights. However, I don't understand how cataracts could be helpful to Egypt unless it is helpful only to the physicians and surgeons who treat the cataracts.
What else can I help you with?
How are protists both helpful and harmful?
They are helpful because they clean out intestines. they are harmful because they can cause diseases
Is bactria harmful or helpful?
Bacteria can be both harmful and helpful. Harmful bacteria can cause diseases in humans, animals, and plants. However, some bacteria are beneficial and play important roles in processes like digestion, nutrient cycling, and decomposition.
What is a bacteria that is both harmful and helpful?
a bacillus bacteria
How is the anemone both helpful and harmful to members of its ecosystem?
If they are ecosystem?
How can microorganisms be both helpful and harmful?
mould is a helpful one and bacteria is a harmful one
Is sandpaper helpful or harmful?
Sandpaper is both helpful and harmful.
How might th e niles cataracts have both helped and hurt Egypt?
the cataracts hurt egypt by making it hard to travel from place to place
Is a turtle helpful or harmful or both?
they are helpful because they are
Are gerbils helpful harmful or both?
They are more helpful than harmful. My two gerbils are both helpful. They've helped me in many ways and so that's why I say they're more of helpful than harmful.
Are chameleons helpful or harmful?
Both
Is plastic helpful or harmful?
both
Is MRSA harmful or helpful?
Both only when it infects it is harmful
How are protists both helpful and harmful?
They are helpful because they clean out intestines. they are harmful because they can cause diseases
How did the cataracts affect Egypt both negatively and positively?
The cataracts of the Nile River in ancient Egypt had both negative and positive effects. Negatively, the cataracts made navigation difficult, limiting trade and communication with other regions. However, they also acted as a natural barrier, providing protection against invasions. Additionally, the cataracts influenced the unique geography of ancient Egypt, leading to the development of a distinct culture and civilization.
Are technologies used by humans today are harmful of helpful?
computer.. both helpful and not..
Is bactria harmful or helpful?
Bacteria can be both harmful and helpful. Harmful bacteria can cause diseases in humans, animals, and plants. However, some bacteria are beneficial and play important roles in processes like digestion, nutrient cycling, and decomposition.
What is a bacteria that is both harmful and helpful?
a bacillus bacteria
