understand their lessons better by observing‚ reading ang analysing facts. With the eyes we may avoid accidents ant other cicumstances that makes us sick. COMMON AILMENTS: 1st Group • Myopia - nearsightedness‚ clearly sees object near them. Concave lense is advisable to lengthen the focus. • Hyperopia - farsightedness‚ can see far objects clearly while the near objects appear blurred. Convex lense should be worn to shorten the focus. • Astigmatism - caused by the irregular curve of the cornea
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badly affected‚ giving shelter to number of eyes related complications & diseases. 2. Improper nutrition results in week eyes. 3. Genetical Complecations like Nystagmus‚ Albino‚ Retinities Pigmentosa. 4. Other critical complications like High Myopia‚ Night Blindness‚ Low Vision‚ Squint etc. 5. Highly stressfull life style leeds in many problems. 6. Excessive use of eyes in watching TV‚ using computer‚ reading in dim light etc. leads in increase spectacles power. So presently we need something
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Biology Plant and Animal Cells Prokaryotes: No nucleus or other membrane Eukaryotes: has a nucleus and other organelles Plant cells have cell wall and chloroplast while animals cells don’t Organelles Cytoplasm: suspends organelles in cell Endoplasmic Reticulum: transports materials throughout the cell Nucleus: stores genetic data and performing mitosis Mitochondria: converts glucose with oxygen to make energy for cell Cell membrane: support cell and allow diffusion Chloroplast: absorbs
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"marketing myopia" has haunted marketers since Theodore Levitt published his famous article "Marketing Myopia" in Harvard Business Review in 1960. Levitt argues that companies which narrowly focus on the product to the detriment of customer requirements (i.e.‚ dispensing with the marketing concept) suffer from marketing myopia. Myopia or shortsightedness is often apparent within organizations. Several types of marketing myopia can be identified including classic myopia‚ competitive myopia and efficiency
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believe that products with most quality‚ features and performance will be favored by the customers. Under production concept‚ product gets cheap but under product concept‚ product usually gets expensive. Both of these concepts can lead to marketing myopia‚ but still useful in some situations. Products like ‘sun chips’ can follow the production concept‚ because Bangladesh is a developing country and people here have a limited ability to choose a high quality product‚ which is expensive‚ they usually
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1. Sensation There are different modalities (forms) of sensation Sound‚ pain‚ pressure‚ touch‚ stretch‚ vibration‚ heat‚ cold‚ vision‚ taste‚ smell‚ proprioreception‚ hearing‚ equilibrium‚ gustation‚ etc. Each modality has a specific receptor Each modality is conducted by sensory (afferent) neurons to the CNS and is the result of different neural pathways and synaptic connections 2. Sensory Pathways 3. Law of Specific Nerve Energy Each sensory neuron carries information about
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being focussed on the retina. Figure 2. Distant object Focus. http://hyperphysics.phy-astr.gsu.edu/hbase/vision/accom.html DEFECTS OF VISION. MYOPIA Ray diagram of myopic eye. http://www.meritnation.com/discuss/question/3529249/0/draw-a-ray-diagram-of-myopic-eye-and-its-rectification Myopia is caused by either a flattened eyeball or a ‘thick lens’‚ i.e. thicker than a normal sighted lens. In both cases this means that the image focusses short of the retina and
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SENSATION AND PERCEPTION * One of the basic processes in the interaction of man and his environment that governs the reception of information. * Man must be able to sense‚ interpret‚ and respond to various events and stimulations. The study of reception and function of stimulation may be divided into two parts: * Sensation – considers the mechanism of receiving information * Perception – considers the received information and past experiences. SENSATION * Sensations that can
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television. I believe that children should not be allowed to watch television for extended periods of time because it has many negative side effects. I will explain the three major negative effects—that is bad for children’s health like causing obesity‚ myopia and waste time in order to affect their study and less communication to the others—in this essay. It may be argued that allowing children to watch television may actually provide some cognitive benefits. There is no doubt that children can learn
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states that eyestrain is the leading problem in computer use. This even includes such common problems as carpal tunnel syndrome. Eyestrain and eye fatigue lead to many other complications if it is a continuous problem. One of these problems includes myopia (near sightedness) . There are many ways of relieving eye fatigue and helping the symptoms of this. These problems can be onset in younger years when children are in school. Since most
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