Given their lower efficacy compared to contact lens options, is the additional cost of a progressive or bifocal spectacle lens worth it for myopia control? This discussion in the Myopia Profile Facebook group explores the options, with links to further reading.
Whilst each individual child has their own circumstances and situation to consider when prescribing myopia control, children with astigmatism present a unique set of challenges when selecting the best option for not only slowing down the progression of their axial growth, but also providing them with good vision.
International Myopia Conference (IMC2019). This update includes the IMI new paper, accomodation microfluctuations and DIMS lens.
There’s a little more to think about in the important role spectacle lenses play in myopia management. Even if we prescribe contact lenses, our young myopes are most likely to need a back up spectacle lens option. Children prescribed atropine will need the best spectacle lens prescribed for them to minimise the impact of any side effects.
Are progressive addition lenses and bifocals created equal for myopia control? When do they work and when do spectacles have minimal efficacy? How should we pick which lens type to prescribe, and what’s on the horizon for our non-contact lens wearing young myopes?
While esophoria and myopia have a long-associated link,(1-3) exophoria must also be on our myopia management agenda. The punchline, up front – research has shown that of kids with intermittent exotropia, 50% are myopic by age 10 and 90% are myopic by age 20,(4) and we need to be extra wary if considering fitting a myopic child like this into contact lenses.
When it comes to contact lens corrections for young myopes, the impact of orthokeratology (OK) and multifocal soft contact lenses (MFSCL) on binocular vision is pertinent to visual comfort and understanding mechanisms of myopia progression and control.
Changing a myope from spectacle to contact lens wear can alter their binocular vision (BV) function. The myope reading through their spectacles experiences base-in prism at near, as demonstrated in the image above, which moves the image further away and decreases vergence demand.
This article groups common clinical treatments in an effort to explore what we do and don’t know regarding myopia control efficacy. It highlights the need to balance the available evidence with emerging knowledge when discussing options for myopia control with patients and their carers.
Podcast summary: Are progressive addition lenses and bifocals created equal for myopia control? How should we pick which lens type
