Catalog Search Results
22) Blinking
Language
English
Description
You blink an average of 15 times a minute, moving lubricating fluid from your lacrimal glands across your eyes. Blinking also helps prevent harmful substances like smoke from getting in your eyes and protects your eyes from foreign objects. When your eye is irritated, your lacrimal gland produces extra tears to wash out impurities. As fluid drains through your tear ducts and into your nasal cavity, it may cause you to sniffle.
Author
Language
English
Formats
Description
"Resonating with our most profound life experiences, this book explains why we trust other people and form lifelong bonds, and why we ignore these connections at our peril. Pinker answers crucial questions about human relationships in a digital age, such as: How important is face-to-face interaction as children develop new skills, when adults fall in love, when they negotiate business transactions, and as they age? How did humans evolve such finely-tuned...
28) Glaucoma
Language
English
Description
Glaucoma is the development of increased pressure within the eye. If left untreated, glaucoma may damage the optic nerve, resulting in visual impairment and eventually blindness.
29) Glaucoma
Language
Español
Description
Glaucoma is the development of increased pressure within the eye. If left untreated, glaucoma may damage the optic nerve, resulting in visual impairment and eventually blindness.
31) Cataract
Language
English
Description
Cataracts may develop with advancing age or in response to diseases such as diabetes. A cataract appears as a cloudy area in the lens.
32) Cataract
Language
Español
Description
Cataracts may develop with advancing age or in response to diseases such as diabetes. A cataract appears as a cloudy area in the lens.
35) Corneal Injury
Language
English
Description
Injury or infection of the cornea can lead to serious visual impairment. The cornea is the crystal clear (transparent) tissue covering the front of the eye. It works with the lens of the eye to focus images on the retina.
36) Corneal injury
Language
Español
Description
Injury or infection of the cornea can lead to serious visual impairment. The cornea is the crystal clear (transparent) tissue covering the front of the eye. It works with the lens of the eye to focus images on the retina.
Language
English
Description
The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.
Language
Español
Description
The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.