Diagnosis If you have trouble seeing certain colors, an eye care professional can test for a color deficiency. Testing likely involves a thorough eye exam and looking at specially designed pictures. These pictures are made of colored dots that have numbers or shapes in a different color hidden in them.
Color blindness is an eye condition in which someone can't see the difference between certain colors. Though many people commonly use the term "color blind" for this condition, true color blindness — in which everything is seen in shades of black and white — is rare. The medical term for color blindness is known as color vision deficiency.
Diagnóstico Si tienes dificultades para ver ciertos colores, un profesional del cuidado de la vista puede hacer pruebas para detectar una deficiencia de color. Las pruebas probablemente incluyen un examen ocular completo y la observación de imágenes especialmente diseñadas. Estas imágenes están formadas por puntos de colores que ocultan números o formas en un color diferente.
Stool color is generally influenced by what you eat as well as by the amount of bile — a yellow-green fluid that digests fats — in your stool. As bile travels through your digestive tract, it is chemically altered by enzymes, changing the colors from green to brown.
Un color inusual de orina puede ser un signo de un problema de salud. Por ejemplo, algunas infecciones de las vías urinarias pueden producir una orina de color blanco como la leche. Las piedras en los riñones, algunos tipos de cáncer y otras enfermedades, en ocasiones, hacen que la orina tenga un aspecto rojo debido a la sangre.
Overview Regular urine color ranges from clear to pale yellow. But certain things can change the color. Foods such as beets, blackberries and fava beans can turn urine pink or red, for example. And some medicines can give urine vivid tones, such as orange or greenish-blue. An unusual urine color also can be a sign of a health problem. For instance, some urinary tract infections can turn urine ...
Find out what causes discolored semen.Red semen. Eating a lot of red-colored foods, such as beets, could cause red semen. Sometimes, red or red-streaked semen could mean blood is present. Possible causes of blood in semen may be infection, radiation treatment, or trauma from surgery or injury to the testicles. Even though seeing pink or red semen may be alarming, it's usually not caused by ...
Melanoma pictures for self-examination Melanoma is a serious form of skin cancer. It often can be cured if found early. These melanoma pictures can help show you what to look for. The American Academy of Dermatology advises watching skin spots for: Asymmetry. Border irregularity. Color changes. Diameter greater than 1/4 inch (about 6 ...