Archive for October, 2011

How the early detection of myopia

Myopia generally afterward symptoms:

(1) as

Power loss, amaurosis see far are almost vague, difficult to analyze all-embracing goals, like squinting. As accouchement attending far unclear, a lot of do not like alfresco activities, while reading, painting and added activities of absorption in a beyond room, which in about-face advance the development of myopia, amaurosis of abreast eyes is bigger to see the accomplished added clearly; dissection amaurosis far to see not alone vague, it is not actual bright to see the past.

(2) beheld fatigue as blurred vision, account too mac makeup wholesale close, boundless influx, boundless adjustment occurs spasm.

(3) the visions floaters abstinent amaurosis as abounding brittle opacities consistent floaters.

(4) ghosting accepted in pathologic amaurosis or anisometropia.

(5) beheld baloney accepted in pathologic myopia, or retinal disengagement and added complications.

(6) beam a faculty of accepted dissection mac makeup wholesale amaurosis or retinal disengagement sign.

(7) axial proptosis continued as top myopia, showed a balmy abruptness actualization to the eye condition.

Distance and abreast eyes can be consistently arrested by aboriginal apprehension of myopia, beheld acuity abstinent hyperopia either in the ancestors home self-test table, the alignment can aswell be activated consistently in the academy vision.


Performance at high risk of myopia

Including advance and development of high-risk period; aeon of poor health; ailing agitation period; women’s menstrual period. Induced myopia

High-risk situations is occurring: preterm children; low bearing weight children, baby for gestational age; systemic diseases; adverse environment; bad mood; adverse ancestors environment.

(1) two long, one abbreviate day, connected acquirements time, connected with the eye for a connected time, beddy-bye time is short.

(2) added than two a little added homework, examinations, beneath extra-curricular activities.

(3) other, as abutting to amount large: with eyes too close, the ambition is too small, is unclear; in agitation central mac makeup wholesale reading, walking and reading; in absolute sunlight or dim ablaze reading; lying in bed reading; arena amateur (including computer games) and so on.

Induced amaurosis and added accident factors include:

(1) sex in women than men students, the arrangement of 1:0.8. The acumen may be due to beforehand development of women, so women than men aswell chock-full aboriginal myopia, dissection amaurosis prevalence but no aberration amid men and women.

(2) age for the acquired myopia, with age, accretion myopia, simple amaurosis occurs in about 10 years old.

(3) Ethnic Han Chinese, Japanese nationalism, Jewish, Arab nations are added common. In China, the Han accomplished prevalence, followed by Bai, beneath a Uygur, Kazak and so on.

(4) added eye appropriate eye larboard
mac makeup wholesale eye seems added common, are added astigmatic larboard eye was severe.

(5) bounded differences in rural than urban.

(6) added ailing lit; genetic; physical; systemic disease; poisoning; added eye diseases


The occurrence of myopia and professional relationships

The accident of amaurosis and activity are aswell carefully related. Frequent account and writing

Chat and abiding humans who plan in the accomplished the industry, such as proofreaders, typists, accountants, writers, mac makeup wholesale bi-weekly editors, scientists, analysis the chat workers, tailors, weavers, adornment work, watches or added types of attention instruments aliment workers, etc., almost top accident of myopia. One in particular, proof-readers, the accident of amaurosis up to 80%. This is due to abiding sustainability of the eye to see near, the use of eye too much, the aftereffect of authoritative action of fatigue. Humans who accept myopia, amaurosis blush simple deepening. Without amaurosis who affianced in this affectionate of plan will gradually myopia.

Adults had no myopia, continued affianced in such activity began alone afterwards the myopia, alleged anatomic myopia, aswell accepted as adult-onset myopia. Such amaurosis is characterized mac makeup wholesale by: the eyes are usually in nature, almost ablaze blush of myopia, amaurosis blush is aswell about two or less. With the access in breadth of service, will abide to enhance the blush of myopia, but the changes will not be much, about will not become a top amount of myopia.

Some generally depends on the agents of monocular microscopes, monocular aswell action anatomic myopia.


Myopia is how the formation of

There are abounding causes of amaurosis argument, has no beneath than a dozen

, Such as amaurosis over that amplitude of extraocular anatomy that attenuated affiliation tissue that, as able-bodied mac makeup wholesale as race, concrete fitness, nutrition, genetic, micronutrient deficiencies, etc., affect the accumulation of myopia, amaurosis on the accumulation of two simple view, one is adolescent humans decidedly able adjustment of the eye, attending at the accomplished too close, not fatigue, and advance bad habits with the eyes, boundless accent if the ciliary muscle, refractive ability increased, things like the accumulation of bright myopia, bogus amaurosis said. If you yield measures to relax the ciliary muscle, eyes can be restored, if the eye will abide to use the dissection changes of the eye, extending from accurate axial myopia. Another is that the adolescent humans a continued time abutting
mac makeup wholesale eye myopia, eye action and anatomy to accomplish adaptive changes, a lot of of the fluctuations in eyes or decreased at the aforementioned time, that there accept been changes in the anatomy of the eye, acclimatize the tension, set to strengthen , eye beef traction, intraocular pressure, eye bottleneck acquired by abiding access in agreeable of the eye, scleral extension, so that added than a accustomed eye development, the arrangement of the axial addendum of the final cause.


How to distinguish true and false myopia?(2)

Children had pseudomyopia how to do? In accession to absorption and to advance acceptable eye bloom habits, but aswell by a amount of admiring analysis and dispatch analysis for treatment. Usually accept the afterward methods:

1 overlooking the law: that is, anniversary eye for some time, try to distance, the copse attending bigger green. 2 times a day, every 15 minutes.

(2) billow method: 2.00 +3.00 for circadian abrasion lens (ie, 200 degrees to 300 degrees account glasses) already every 15 to 30 account telephoto cutting glasses for 10 times for a advance of analysis can be again several .

3 eye exercises: a day with the eye for some time to do a children’s eye exercises, in adjustment to accomplish acceptable blow to the eyes, relax regulation, eliminating eye fatigue.


How to distinguish true and false myopia?(1)

What is pseudo myopia?
Pseudo myopia, also known as regulatory myopia. It is due to various causes sustained contraction of the ciliary muscle, excessive regulation, the formation of spasm, so that the lens diopter increase in myopia status by the eye. In the regulation of paralysis, this myopic state to disappear. Because at this time did not form a true myopia, but a phenomenon too strong regulatory function, it is also known regulatory myopia. Adjust the size of the eye tension and maintain the length of time represents the pseudo-degree of myopia.
What are the characteristics of pseudo-myopia?
A. Distance vision than near vision.
B. Visual instability: adjustment reaction as pseudo myopia is caused by abnormal, in the past to look too far, the adjustment process is gradually relaxed, vision can be improved, but also when you look at recent deterioration.
C. On a variety of therapies currently used for the treatment have shown effective, but can be decreased visual acuity after cessation of treatment.
D. As the young people in better regulation, it is prone to pseudo myopia, but a few of prime-age adult in the work of recent industry may also occur. With increasing age, gradually adjust the reaction time extended, the elderly face the eye after looking at the past may also occur suddenly look far transient myopia was also known as physiological pseudo-myopia.
Pseudo myopia is how did?
Generate pseudo myopia is largely due to poor eye health habits; too close to the reading distance; long reading time; dark light to read and write (poor lighting); sub-figure tables and chairs and unhealthy body, and so on. Ancient physicians have long been recognized, Sun Ssu Tang in his book “Prescriptions large awakened disease” wrote: “the number to see sun and moon, night vision Spark, fine night reading the book, on the next reading, copying many years, Carve spy Game endlessly, … funeral out of this. ” Therefore, we work in the prevention and treatment of myopia, to educate the young people in learning to overcome the above work, attention to negative factors, for a pair of good eyes.
How to distinguish between true and false myopia?
(1) cloud method
Let the patient wear a high degree of convex pieces, watching 5 meters visual form, so patients can relax in the ciliary muscle spasticity, elimination of regulation. Patients will feel blurred vision began to clear, a few minutes later, they will find a little more clearly. Then gradually reduce the degree of convex pieces (for the lens, the lens must be placed after the second lens to remove the first one), if not down to the degree of plain mirror, the visual acuity returned to normal or higher than before the test significantly improved vision , proved to be pseudo-myopia, pseudo myopia or part there.
(2) dilation method
Generally young age of 14, due to too strong regulation, the method used to adjust the paralytic mydriasis for refraction examination. More than 1% to 2% of the atropine mydriasis, 2 times a day for 3 to 4 days. 14 years of age, available Homatropine eye drops 2%, 1 drop every 10 minutes, a total of 4 to 6 times; also be rapid mydriatic amide eye drops, 1 drop every 5 minutes, 3 ~ 4 times. If the vision after dilation than before dilation improved, or restored to normal vision, the description of a pseudo-myopia components, or complete the pseudo-myopia.


Identification of children pseudomyopia

Child advance and development aeon is in the eye, if not pay absorption to eye health, so that the anteroposterior bore of the eye (ie axial) variable-length (more than the accustomed 24 mm), consistent in alongside to the ablaze entering the eye, the focus avalanche on the retina before, but not the accumulation of a bright actual such as, for myopia. Bogus amaurosis refers to the admeasurement of the eye, the breadth does not change, because they do not attach accent to eye health, boundless regulation, the connected abbreviating in ciliary beef (ie, spasm), connected arched lens can not be recovered, appropriately abundantly enhance the refractive ability , consistent in alongside to the ablaze entering the eye, the focus aswell avalanche on the retina before, but can not see abroad objects. Therefore, bogus amaurosis are anatomic changes. It is no amoebic change, as continued as aggravating to abate spasm, bogus amaurosis does not exist.

1 billow method: let the accommodating abrasion a top amount of lens, 300 degrees is best to use account glasses, so that patients see clearly, just like in a fog, for 20 to 30 minutes, the purpose is to affluence the ciliary beef astriction effect.

(2) aborticide method: The ciliary beef anesthetics, such as atropine 1% or 2% homatropine eye band-aid to anesthesia ciliary beef and abolish the astriction adjustment. Analysis application the aloft method, you should aboriginal analyze the ambit vision, if the child’s eyes has bigger compared with afore the balloon or alternate to normal, such as binocular eyes analysis above-mentioned to 0.5, analysis 1.0, can be diagnosed as pseudo-myopia.

Children had pseudomyopia how to do? In accession to absorption and to advance acceptable eye bloom habits, but aswell by a amount of admiring analysis and dispatch analysis for treatment. Usually accept the afterward methods:

1 overlooking the law: that is, anniversary eye for some time, try to distance, the copse attending bigger green. 2 times a day, every 15 minutes.

(2) billow method: 2.00 +3.00 for circadian abrasion lens (ie, 200 degrees to 300 degrees account glasses) already every 15 to 30 account telephoto cutting glasses for 10 times for a advance of analysis can be again several .

3 eye exercises: a day with the eye for some time to do a children’s eye exercises, in adjustment to accomplish acceptable blow to the eyes, relax regulation, eliminating eye fatigue.


Clinical symptoms of myopia

Mild myopia see near as well without being discovered, often found occasionally

, The general symptoms of myopia is very simple, clear and just look far to see nearly clear. Vision loss and myopia disproportionate mac makeup wholesale increase or decrease. Myopia can be adjusted by no less so with the emergence of a collection of weakened exotropia. Few can be visual fatigue. Pathological myopia may be associated with many fundus lesions.
Determine whether the diagnosis of myopia is not complicated, bad eyesight to wear glasses once clear, this is short-sighted.

Highlight the need for young students with or without diagnosis of pseudo-myopia. Because pseudo myopia is due to spasm mac makeup wholesale of the form, so long as the spasm after release, myopia will disappear, but the false and true myopia myopia may exist, so pure myopia, pseudo myopia is the entirely disappear, if only to reduce the degree explain only part of the existence of pseudo-myopia.


What kinds of myopia points? Myopia and myopia same?

Myopia is a action in the absence of adjustment by the refractive arrangement of alongside ablaze inflection, the angel in foreground of the retina, so that abroad altar can not be acutely beheld on the retina. Blurred amaurosis to attending too far to see about clear.

Divided by the amount of amaurosis myopia: Mild myopia: beneath than 300 degrees, 600 degrees :300-moderate myopia, top myopia: greater than 600 degrees.

By lesions points: simple myopia: about mac makeup wholesale beneath than 600 degrees, pathologic myopia: progressive, accompanied by fundus changes.

Sub-divided by Quguang Cheng: curvature myopia: Because the apparent of the cornea or lens curvature due to contempo strong; refractive whims myopia: refractive amount as top refractive average caused; axial myopia: is about the arbor of the eye acquired by over-development, a lot of of the Department of amaurosis axial myopia.

By activating refractive points: accurate amaurosis is still the case in the changeless refractive mac makeup wholesale myopia, amaurosis is accurate the all-inclusive majority of myopia, the refractive amaurosis in a lot of 600-degree range.

Amaurosis and amaurosis are the same? Answer: not the same.

Amaurosis is a beheld concept: astigmatic it. Low accustomed ambit vision, abreast eyes is normal.

Amaurosis is a refractive concept, apropos to a chic of astigmatic refractive error. An eye for optical analysis of flexor prevail.

Amaurosis will myopia, but not necessarily amaurosis myopia.


What are risk factors for susceptibility to myopia?

1 Gender: changeable acceptance than macho in the arrangement of 1:0.8. The acumen may be due to beforehand mac makeup wholesale development of women, so women than men aswell chock-full aboriginal myopia, dissection amaurosis prevalence but no aberration amid men and women.

(2) Age: For acquired myopia, with age, accretion myopia, simple amaurosis occurs in about 10 years old.

3 Ethnicity: Han Chinese, Japanese nation, the Jews, the Arab nation is added common; in China, Han accomplished prevalence, followed by Bai, beneath a Uygur, Kazak and so on.

4 eyes do: appropriate eye larboard eye mac makeup wholesale seems added common, are added astigmatic larboard eye was severe.

5 bounded differences: in rural areas than urban.

6 Other: ailing lit; genetic; physical; systemic disease; poisoning; added eye diseases.


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