A method of treatment of refractive errors combined with strabismic amblyopia

 

(57) Abstract:

The invention relates to ophthalmology. The method includes the stimulation pulse current to the nasal and temporal areas of the eyes. Then irradiate the retina radiation at wavelengths of 650 and 910 nm through the day. Then affect the area of both eyes of the electromagnetic field at the closed eyelids. The method allows to consistently improve visual function.

The invention relates to the field of ophthalmology, and can be used to treat abnormal refraction combined with strabismic amblyopia.

Known "Method of treatment of nystagmus and amblyopia" RF patent N 2103961, A 61 F 9/00, is the impact of pulsed electromagnetic field on the eye area.

However, this method has a significant drawback, it is not effective enough, especially in the case of combinations of amblyopia with the refractive error in myopia and hypermetropia are moderate.

The technical problem solved by the invention is to increase efficiency by improving visual functions.

The specified technical task is solved in that in the method of treatment of refractive errors, combined with disb kladivo electrodes in the temporal and nasal areas of the eyes and produce electrical stimulation pulsed current with an amplitude of from 20 to 50 µa, pulse duration of 10 μs and a frequency of 50 Hz, number of pulses in a packet of 2 to 3, the repetition frequency of the pulse packet 3 to 4 per second, the exposure duration 10 - 14, then irradiated retina emitter Nd:YAG laser with a power density output from one to 5 mW with frequency of 50 Hz, the exposure duration of 4 to 6 minutes, alternately, wavelength = 650 nm and = 910 nm, through the day, then act simultaneously on the area of both eyes at the closed eyelids of a pulsed electromagnetic field with a voltage of 0.7 to 0.8 T, pulse duration 20-35 ISS, when the number of pulses from 60 to 85 with the duration of the pause from 0.7 to 0.95 µs and exposure duration from 3 to 5 minutes.

Proposed by the author of the essential distinguishing features of the present invention is necessary and sufficient for an unambiguous positive solution to the stated technical problem.

The author has done a lot of research work on the optimization of the intervals stated parameters. This work has shown that when the values of the parameters, these smaller or larger than specified in the parameter intervals, the positive growth effect does not occur.

The invention is carried out as follows.

The method is characterized by the following clinical examples.

Example 1. The patient Was 5 years. Diagnosis: hypermetropes medium astigmatism, divinatory amblyopia high degree, friendly convergent strabismus, krupnorazmernye 20 degrees. The amount of absolute accommodation of the right eye of 1.8 Days, the left eye of 2.5 Days On both eyes permanent krupnorazmernyj nystagmus with the rotary component. The patient received treatment according to the proposed methodology. After the first course of treatment, which consisted of 15 sessions, visual acuity in the right eye improved to 0.3 and the left eye to 0.1. The amount of absolute accommodation has increased in my right eye up to 8 Days, my left eye to 8.4 D. Nystagmus impermanent, in the absence of a fixation point melcorazmashisty, the squint angle is 5 degrees. After the second course of treatment, the visual acuity in his right eye increased to 0.5, after the third to 0.6. On the left eye after the second course of treatment, the visual acuity improved to 0.4, after the third to 0.5. Treatments were carried out at intervals of 3 months. Conclusion: in the treatment of the author's proposed method showed improvement of visual functions, reducing the amplitude and frequency of the nystagmus, the reduction of the angle of strabismus. The results are stable for two years.

Example 2. Patient K. , aged 14. When entering visual acuity of the right eye of 0.2, the left eye of 0.1. Visual acuity with correction of the right eye of 0.3, the left eye of 0.3. The diagnosis of myopia of an average degree, myopic Asti is URS treatment, includes 15 sessions, resulted in increased visual acuity of the right eye to 0.85, left to 0.7. After the second course of treatment carried out with an interval of 6 months, visual acuity in both eyes was of 1.0. The results are stable for two years.

Using the proposed method when conducting pre-clinical testing conducted on 140 patients, confirmed its high efficiency in the treatment of these refractive errors like myopia and hyperopia medium, combined with amblyopia, and has led to a steady improvement of visual functions in terms of the observations from two to five years.

A method of treatment of refractive errors combined with strabismic amblyopia, consisting in the implementation of the electromagnetic field, characterized in that initially impose the electrodes on the temporal and nasal areas of the eyes and produce electrical stimulation pulsed current with an amplitude of 20 - 50 mA, pulse duration of 10 μs and a frequency of 50 Hz, number of pulses in a packet of 2 to 3, the repetition frequency of the pulse packet 3 to 4 per second, the exposure duration 10 - 14, then irradiated retina radiation Nd : YAG laser with a power density output from a single tier, next act simultaneously on the area of both eyes at the closed eyelids of a pulsed electromagnetic field with a strength of 0.7 to 0.8 T, pulse duration of 20 - 35 μs, when the number of pulses 60 - 85 with the duration of the pause from 0.7 to 0.95 µs and exposure duration of 3 - 5 minutes

 

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