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Visual Diagnosis in a Child under One Year of Age

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According to ophthalmologists, the visual acuity of a newborn is extremely low (0.005 – 0.015). In the first months of life it gradually increases to 0.01 to 0.03, at the age of 2 years it rises up to 0.2 – 0.3 and only at 6-7 years it reaches 1.0.

Regular visits to an ophthalmologist are very important. In order to identify congenital diseases (cataracts, retinal tumours – retinoblastoma, glaucoma) and inflammatory diseases the first examination of the child should be done in maternity. It is mandatory to examine premature born babies to exclude retinopathy of prematurity and optic nerve atrophy. The first year of life is a period of intense development, so visits to the ophthalmologist should be done at six months and at one year.

The novel device available at Optisan Clinic offers real-time following information:

  • Measurement of eye refraction;
  • Corneal reflex analysis (symmetrical or asymmetrical);
  • Measurement of pupil diameter in both eyes and pupil distance;
  • Build up the eye-fixing image.

A unique feature of this autorefractometer is the ability to obtain accurate refractive binocular measurements at a distance of 1 meter without pupil dilation. Measurements are performed simultaneously in both eyes. The device can be used in children of all ages, including children with nystagmus and in non-cooperating patients.

The technique of measurement of the autorefractometer is based on dynamic photoskiascopy (infrared radiation). Infrared radiation is harmless to the child’s eyes; it is present in the day light and is invisible to a human eye.

During the examination, the infrared rays are projected onto the retina through the pupil. Depending on the refractive error, the reflected light generates a bright image inside the pupil.

A medical exam resembling a game!

Diagnosis in children, especially young children, has always been more difficult. Unlike an adult, a kid cannot meet all the doctor’s requirements. He revolves his head, rarely stays quiet, and cannot focus his sight for a long time.

All measurements completed with the new generation autorefractometer are performed in an interactive way, resembling a game: the camera generates a special sound, catching the attention of the child, and the screen displays a smiling face. The procedure lasts just a few seconds, it is non-contact, so that the child does not get tired and does not feel any discomfort.

Photo: goo.gl/pYQhMS

 

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