| type="text/javascript"> ch_client = "articlealley"; | | | | This extended sensory ability made them ideal |
| ch_type = "mpu"; ch_width = 590; ch_height = | | | | companions to early man when danger lurked |
| 250; ch_non_contextual = 4; ch_noborders = 1; | | | | around every corner. |
| ch_vertical ="premium"; ch_sid = "590x250 Article | | | | Dogs eyes even look remarkably similar to human |
| Mixed Top"; ch_alternate_ad_url = " var | | | | eyes. Like us, dogs have a range of eye colors |
| ch_queries = new Array( ); var | | | | although their predominant color is brown. One |
| ength)); if ( ch_selected < ch_queries.length ) { | | | | important difference between us is that dogs |
| ch_query = ch_queries[ch_selected]; } Unless | | | | have a third eyelid called a nictitating membrane. |
| you were born blind you already know how | | | | Although this membrane is not easily seen, certain |
| valuable your eyes and vision are in coping with | | | | diseases and eye irritation can make it stand out. |
| life. Helping us to process information on the world | | | | The third eyelid sits in the inside corner of a dogs |
| around us, our eyes constantly work to help us | | | | eye and helps to protect it from irritation by |
| enjoy life and avoid danger. | | | | cleansing and lubricating the eye. |
| Dogs also use their eyes in similar ways but with | | | | Most of the eye diseases and problems seen in |
| a few minor important differences. We see far | | | | dogs are the same as those found in humans. |
| and near fine detail in a wide range of colors and | | | | One of the most common problems seen in dogs |
| shades. Dogs however, even sight hounds which | | | | is due to simple eye irritation. The same |
| have good vision, have a poorer color range and | | | | environmental irritants that afflict us afflict our |
| they are much better at detecting movement | | | | dogs. Dust, smoke and chemical pollution are the |
| rather than detail. This gives them an advantage | | | | commonest cause of watery irritable eyes in our |
| with night vision but they are poorer at seeing | | | | favorite pets. Apart from seeing red, teary eyes |
| fine or close detail. The main advantage dogs | | | | which are often swollen, you will likely observe |
| have is that they don't have to rely purely on | | | | your dog rubbing or scratching at their eyes. Look |
| vision for information on their world. An acute | | | | carefully at whether both or only one eye is |
| sense of smell and excellent hearing, along with | | | | irritated. Symptoms occurring in only one eye |
| good motion sensing vision, mean that dogs sense | | | | usually mean a foreign body or injury in the eye |
| much more of their surrounds than mere humans. | | | | involved. |