Myopia Control
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Myopia Control
This Scoop.it collects information about the science of myopia control. Myopia or nearsightedness has become what some are calling an epidemic around the world. Research is showing that there are ways to slow the process and reduce associated eye diseases.
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Maximum Atropine Dose Without Clinical Signs or Symptoms

Maximum Atropine Dose Without Clinical Signs or Symptoms | Myopia Control | Scoop.it

Atropine 1% has been used to slow the progression of myopia; however, it has not gained worldwide clinical acceptance because it results in clinically significant pupillary mydriasis and accommodative paralysis.

Richard L. Anderson, O.D.'s insight:

Atropine at .01% has been shown to be very effective at slowing myopia with essentially no pupil dilation or accommodative (focusing) problems, although it is not quite as good as the normally available 1% strength which has significant dilation and focus problems. This study shows that the maximum dose that can be used and still avoid the problem is .02%.

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Practical applications to modify and control the development of ametropia

Practical applications to modify and control the development of ametropia | Myopia Control | Scoop.it
Eye is the official journal of the Royal College of Ophthalmologists. It aims to provide the practising ophthalmologist with information on the latest clinical and laboratory-based research.
Richard L. Anderson, O.D.'s insight:

This is a review of myopia control techniques with a call to reduce the burden of myopia on the world.

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Myopia Control Using Toric Orthokeratology (TO-SEE Study)

Myopia Control Using Toric Orthokeratology (TO-SEE Study) | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

This study shows that correcting eyes with larger amounts of with-the-rule astigmatism (up to -3.50) using orthokeratology is effective in slowing myopic progression, as has been shown with more spherical corrections.

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Current Status 0n the Development and Treatment of Myopia

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Justin Bazan's curator insight, December 17, 2013 1:10 AM

"In considering myopia treatment, remember what the 19thcentury

philosopher Arthur Schopenhauer208 said: “All truth
passes through three stages. First, it is ridiculed. Second, it is
violently opposed. And third, it is accepted as being selfevident.”
208 Treatment of myopia with atropine is in the second
stage, and orthokeratology is ending the second stage. Either
atropine or orthokeratology will pass to the third stage or a
better “atropine/orthokeratology” will come in to use.
Atropine and orthokeratology are effective methods to slow
the progression of myopia and should be in optometry’s
armamentarium to fight the effects of this growing pandemic."

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Myopia Control with Corneal Reshaping Contact Lenses

Myopia Control with Corneal Reshaping Contact Lenses | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

This is a commentary on Pauline Cho's article (2012) about the ROMIO findings. Quoting "Myopia affects a significant proportion of the world population, and corneal reshaping contact lenses were shown to slow the progression of the disease significantly. Thus, the findings of the randomized clinical trial reported by Cho and Cheung potentially could affect millions of people almost immediately.

"Three previously reported controlled studies indicated a slowing of eye growth association with corneal reshaping contact lens wear but none of the studies assigned subjects randomly to treatment, therefore increasing the potential for bias. With the information presented by Cho and Cheung, we finally have definitive information from a randomized clinical trial that can be shared with patients."

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Retardation of Myopia in Orthokeratology (ROMIO) Study: A 2-Year Randomized Clinical Trial

Retardation of Myopia in Orthokeratology (ROMIO) Study: A 2-Year Randomized Clinical Trial | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

This from their conclusion: "On average, subjects wearing ortho-k lenses had slower increase in axial elongation by 43% compared to subjects wearing single-vision glasses."

20% of the 7-8 year old orthok patients progressed at greater than 1.00D/yr while 63% of the control group did so. Rates slowed down significantly by ages 9-10 when only 13% of the controls and 9% of the orthok patients progressed at that rate. Significantly, this a randomized clinical trial.

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Interventions to slow progression of nearsightedness in children | Cochrane Summaries

Interventions to slow progression of nearsightedness in children | Cochrane Summaries | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

Twenty three studies of randomized clinical trials for the purpose of controlling myopia were reviewed. The most effective treatment was anti-muscarinic medications (atropine, perenzepine, cyclopentolate). No randomized clinical trials exist to evaluate orthokeratology or bifocal-type soft contact lenses. Other methods (progressive addition lenses, bifocals, rigid gas permeable lenses, and undercorrection) were found to have clinically limited effect or a worsening of myopia progression. They consider orthokeratology and bifocal-type soft lenses to be "promising".

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The Case for Myopia Control Now | Refractive Eyecare

The Case for Myopia Control Now | Refractive Eyecare | Myopia Control | Scoop.it
Interesting article at www.refractiveeyecare.com! Refractive Eyecare provides clear, clinical, and comprehensive information for improving both patient outcomes and bottom-line results.
Richard L. Anderson, O.D.'s insight:

This article by one of the few ophthalmologists to write on this topic is an excellent summary of myopia research and current practice, with orthokeratology and atropine being the two current leading modalities. He encourages ophthalmologists to incorporate orthokeratology into their practices.

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Orthokeratology (Ortho-K) Information and Video

Orthokeratology (Ortho-K) Information and Video | Myopia Control | Scoop.it

Text and video details about orthokeratology (Ortho-K), who benefits, myopia control in children (no glasses!) and doctor specialty pages by zip code.

Richard L. Anderson, O.D.'s insight:

This is an informative site introducing patients to the idea of orthokeratology and helping them find a local doctor. Disclosure: I scooped this site originally and I own it. Dr. Anderson

 

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American Academy of Orthokeratology and Myopia Control (AAOMC)

American Academy of Orthokeratology and Myopia Control (AAOMC) | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

This Academy has recently changed its name to the American Academy of Orthokeratology and Myopia Control (AAOMC) in recognition of the overwhelming need to prevent and control what many have called a myopic epidemic.

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Myopia Control in Children through Refractive Therapy Gas Permeable Contact Lenses: Is it for Real?

Myopia Control in Children through Refractive Therapy Gas Permeable Contact Lenses: Is it for Real? | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

Opthalmology is beginning to recognize the viability of treating myopia with orthokeratology and thus slowing myopic progression.

 

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High Myopia–Partial Reduction Ortho-k: A 2-Year Randomized... : Optometry & Vision Science

High Myopia–Partial Reduction Ortho-k:  A 2-Year Randomized... : Optometry & Vision Science | Myopia Control | Scoop.it
Purpose: To investigate if the combination of partial reduction (PR) orthokeratology (ortho-k) and spectacles for residual refractive errors in the daytime was effective to slow myopic progression in high myopic children.
Richard L. Anderson, O.D.'s insight:

Orthokeratology is not always able to fully treat very high levels of myopia and yet those children would benefit greatly from slowing their myopic progression and thus reducing their future risk of ocular conditions such as retinal detachments. This study showed that partially reducing the total refractive error with orthokeratology and then correcting the remainder with spectacles was effective in significantly slowing myopic progression. Partial correction is a viable alternative.

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Orthokeratology for slowing myopic progression in a pair of identical twins

Orthokeratology for slowing myopic progression in a pair of identical twins | Myopia Control | Scoop.it
Contact Lens & Anterior Eye, Volume null, Issue null, Pages null, null, Authors:Ka Yin Chan; Sin Wan Cheung; Pauline Cho
Richard L. Anderson, O.D.'s insight:

Identical twin studies are always interesting as they have the potential to eliminate many variables that are difficult to control in other studies. This study continues to show that orthokeratology is an effective treatment to slow myopic progression.

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Does peripheral retinal input explain the promising myopia control effects of corneal reshaping therapy (CRT or ortho-K) & multifocal soft contact lenses?

Does peripheral retinal input explain the promising myopia control effects of corneal reshaping therapy (CRT or ortho-K) & multifocal soft contact lenses? | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

If it were possible to identify the factors responsible for myopic developement then treatment regimens could potentially be designed to maximise effectiveness of myopia control. Peripheral hyperopic focus in the form of bifocal contact lenses and orthokeratology has long been shown to be an effective method of such control and it appears that the extent of the treatment area is correlated with the effectiveness of such control. However, there is evidence to show that the peripheral hyperopia is not of sufficient quantity to be detectable by many eyes, that the peripheral changes do not preceed myopic development and the peripheral defocus varies with the meridian measured, among other confounding results. This point counter point article discusses these issues and possible implications. One option is to not consider peripheral hyperopia as a cause of myopia but rather to only consider creation of peripheral myopia as a treatment.

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Current and Future Developments in Myopia Control

Current and Future Developments in Myopia Control | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

Dr. Walline discusses much of the research showing that myopia control is a viable treatment option. This was before the ROMIO randomized clinical trial showing that orthokeratology works.

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The complex interactions of retinal, optical and environmental factors in myopia aetiology

The complex interactions of retinal, optical and environmental factors in myopia aetiology | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

This is an excellent paper describing where myopia research has been and where it needs to go. The author makes a strong case for there being no "safe" level of myopia in regards to development of glaucoma, retinal detachment, myopic degeneration and cataracts. He continues with discussion of the complexity of the optical environment that has been generally neglected in studies up to this point and argues for a more nuanced look at the optical performance of individual patients.

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The Association between Time Spent Outdoors and Myopia in Children and Adolescents: A Systematic Review and Meta-analysis

The Association between Time Spent Outdoors and Myopia in Children and Adolescents: A Systematic Review and Meta-analysis | Myopia Control | Scoop.it
Richard L. Anderson, O.D.'s insight:

Quoting from the Results and Conclusions: "The pooled OR for myopia indicated a 2% reduced odds of myopia per additional hour of time spent outdoors per week, after adjustment for covariates..." "The overall findings indicate that increasing time spent outdoors may be a simple strategy by which to reduce the risk of developing myopia and its progression in children and adolescents."

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MYOPIA : Prevention and Control

MYOPIA : Prevention and Control | Myopia Control | Scoop.it
An extensive site for anyone interested in slowing myopia (nearsightedness); What causes myopia, action plans for myopia prevention, over 200 supporting reference articles, patents, clinical trials and other detailed information.
Richard L. Anderson, O.D.'s insight:

A site written with the consumer in mind. Its strength is the extensive research listing with direct links to the journal articles. Disclosure: I wrote this non-commercial site. Dr. Anderson

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