Does nearsightedness surgery involve holding the eyelid open?

Written by Zheng Xin

Ophthalmology

Updated on September 15, 2024

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Eye surgery, apart from eyelid surgery, requires the use of a speculum to hold the eyelids open to fully expose the field of vision for surgeries involving the eyeball and the inside of the eye. Myopia surgery, which involves the surface of the eyeball, also necessitates holding the eyelids open. The surgery can then be performed with the aid of a laser.

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Written by Peng Xi Feng

Ophthalmology

1min 8sec

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The main cause of myopia formation

Myopia is primarily caused by the focusing system of the eyeball focusing parallel light rays in front of the retina when our eyes are in a relaxed adjustment state. The far point of a myopic eye is at a certain point in front of the eye. The occurrence of myopia is influenced by a combination of factors including genetics and environment, and the incidence is still being explored. Based on the refractive components, myopia can be classified into refractive myopia and axial myopia. According to the degree of myopia, it can be classified into mild myopia (below 300 degrees), moderate myopia (300 to 600 degrees), and high myopia (above 600 degrees). The clinical manifestations of myopia include blurry distance vision but good near vision, often with fluctuating distance vision where squinting is needed to see clearly at a distance.

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Written by Zheng Xin

Ophthalmology

24sec

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Does nearsightedness surgery involve holding the eyelid open?

Eye surgery, apart from eyelid surgery, requires the use of a speculum to hold the eyelids open to fully expose the field of vision for surgeries involving the eyeball and the inside of the eye. Myopia surgery, which involves the surface of the eyeball, also necessitates holding the eyelids open. The surgery can then be performed with the aid of a laser.

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Written by Luan Shu Lin

Ophthalmology

30sec

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Which is more serious, amblyopia or myopia?

Amblyopia and myopia are two different concepts; there is no comparative severity between them. Amblyopia refers to a condition where, despite correction, vision still does not reach 0.8, which is defined as amblyopia and generally occurs before the age of eight. Myopia, on the other hand, is a type of refractive error. This condition can be corrected by wearing eyeglasses, contact lenses, or through myopia surgery after reaching adulthood.

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Written by Huang Kun Mei

Pediatrics

1min 1sec

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Children's myopia lacks which trace elements?

The relationship between myopia in children and the lack of trace elements is not significant. Myopia is generally caused by several reasons: The first is hereditary factors, where one or both parents may have myopia. The second reason is poor eye habits in children, such as sitting too close to the desk while doing homework, or excessive use of the eyes, like watching TV or spending a long time on mobile phones, which can easily lead to myopia in children. Once a child develops myopia, the degree could increase by 50-100 degrees each year. Thus, if this is the case, it is necessary to conduct a timely dilated optometry for the child to confirm whether they can wear orthokeratology lenses. If the child is over eight years old and all conditions are suitable, orthokeratology lenses can be prescribed to control the progression of myopia.

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Written by Zheng Xin

Ophthalmology

49sec

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The difference between amblyopia and myopia.

Amblyopia refers to a condition where, through examination, the eyeball has no organic lesions, but the vision is poor. Even after correction, the vision remains significantly lower than normal, generally less than or equal to 0.8, without any organic lesions in the eyeball. In such cases, amblyopia can be considered. Myopia, on the other hand, refers to poor vision that can reach normal or better levels after correction. The difference between the two is that amblyopia cannot be fully corrected through adjustment, whereas myopia can be completely corrected. In terms of treatment, myopia can be corrected by wearing glasses or undergoing surgery, while amblyopia can only be managed by wearing glasses or undergoing specific amblyopia treatments.