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#optometry
dozydawn · 3 months
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love these... never knew what to call these necklaces but the best bet is searching ‘magnifying’ ‘spyglass’ or ‘monocle’ pendants
you can even find some made (or make your own) out of old trial lenses used by optometrists
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dr-whoopsie-daisy · 12 days
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PSA: Solar Eclipse tomorrow
Eclipse glasses need to meet ISO 12312-2 international standard. If you are a welder or have welding equipment the hood must be Shade 12 or higher!!!!
Most general welders equipment from a hardware store is less than Shade 12.
Please take care tomorrow, I'd like you to be able to see me the next time I see you in my office.
Solar burns to the macula cannot be repaired. The inflammation can be controlled but the scars are permanent.
If you don't have the right protection then... don't look up.
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siennanotes · 2 months
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If you know me from primary school, you would know that I am not a spectacle wearer. Oddly enough, I started wearing glasses when I entered Optometry school. My first ever prescription glasses is during our training before entering clinic year.
Truth be told: I hated wearing my glasses. It wasn’t how I imagined it to be in elementary where those who wear frames look smart. I didn’t like how I look with glasses. Mostly, I hated how I now have to wear my specs to see things better and avoid having eyestrains.
Overtime, wearing glasses before my 5th year started was a blessing in disguise. Through this experience, I developed a deeper appreciation for lenses. I have gained empathy in personally getting to see a fraction of what my patient’s have to deal with to carry on with their everyday tasks. Through this experience, I saw firsthand how even a small amount of grade can change a person’s life. That spectacles, when dispensed properly, can create a lasting impact. I gained interest in binocular vision. I always re-check, refine, and balance my refraction. I search for frames that will complement the face shape of my patients. I try to do my best during patient education—noting and customizing what I say depending on who my patient is.
Ever since this semester has started, I have felt disappointed at myself for not reaching certain things: may it be on patient handling or scores on a quiz. But just like my first pair of prescription glasses, these too have been blessings in disguise. Lately, I have learned to embrace my life when it’s worth celebrating, and even when it feels like it’s falling apart.
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businessmemes · 6 months
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Charlie is lucky -- 1/3 of all examinees have the eyes of a medical coder, a florist or, worst of all, a teacher.
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gaystation4 · 6 days
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reblog to see the same hoe everywhere you go
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etakeh · 1 month
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nemfrog · 1 year
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Plate VIa. Optotypes, consisting of test-letters and pictographs for measuring the acuteness of vision. 1923.
Internet Archive
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i'm honestly a little jealous of people with good vision because it's like "what??? you don't need to pay to see??? you just SEE???"
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andmaybegayer · 1 year
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getting new glasses and my optometrist has a thing tacked on to his emails like "don't shower with your contacts in you might get Acanthamoeba keratitis" and like. Increasingly it seems to me that all forms of vision correction that are not glasses should be reserved for extreme cases only (gross-ish medical images and text if you don't like that)
I've already basically decided that the low perfection rate and significant side effects of laser eye surgery are not worth it and I don't wear contacts because they also don't do nearly as perfect correction as glasses. This is not helping.
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Two men wearing revolving top hats with several attachments for optical aids and tobacco etc. Coloured etching by R. Seymour, 1830.
Wellcome Collection
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snail-and-snail · 1 year
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vision test
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verybadatcardgames · 2 years
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siennanotes · 5 months
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Okay, hear me out. One of the things I enjoy most during clinic year is the thrill of having my labsheets approved. Before our forms are signed, we have to answer particular questions or perform procedures. Without the labsheet approval, you will not be able to dispense your patient's lenses.
You never really know what question or task will hit you and the uncertainty of it all challenges me to be on top of my active recall game. It allows me to revisit past lessons and gauge which areas I have yet to read more of.
It's also during this time that my past notes come in very handy. There are days I regret wasting my time from the past for not studying as productive as I hope to be. It was tiresome scanning all of my notes, backing up files, and never really opening them as much as I want to.
Earlier this month, I attended a youth summit geared towards research innovation. One of the instruments available in the fair was a weighing scale that also measured muscle and visceral fat. I haven't worked out in a long time. Hence, I was both surprised and happy to see that most of my weight still comes from muscle and that my visceral fat is at 1%.
The present version of myself is grateful for the hardwork I have put in the past. It may not be perfect or as seamless, but it is enough to give me a headstart for this tiring semester. These are things that are not directly specified on the checklist for clinic preparations. But these are things I could suggest to the next batch of clinicians. Stay physically healthy so you will have energy during and after clinic + store your notes (!!)
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dr-whoopsie-daisy · 7 months
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do you know how myopia management contacts work? my understanding is that they're multifocal and this slows down myopia progression somehow????
Ooh an optics and physiology question. I'm going to need diagrams.
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The main reasons for myopia in the first place is a long Axial length (eye too long) or the front curvature of the eye is too steep. Soft contact lens myopia control goes with the Axial length problem.
Traditional myopia glasses can focus light correctly at the fovea (central reading vision) but miss the retina in the periphery. They actually overshoot the retina and cause hyperopic defocus, so the image is behind the eye. This gives a young eye stimulus to grow longer to reach that defocused image. Myopia control is for kids/teens due to their rapid growth rate which responds to this stimulus.
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I'll link the paper this diagram comes from at the end. The left image shows the hyperopic defocus. The right image shows a theoretical glasses lens that causes myopic defocus, no stimulus for axial elongation.
You can cause myopic defocus by undercorrecting the glasses or contact lenses with less Rx than the child needs, but that causes blurred vision. We can't have kids walking around blurry while also trying to teach them how to read. Bifocals were the first attempt, but only having 1 hemisphere undercorrected wasn't enough. Multifocal contact lenses used in myopia control have a reading add (plus power) in concentric rings.
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The center distance design gives clear distance vision in the middle and reading power on the outer edges 360. Myopic defocus, no stimulus for growth, less axial elongation. I say less because this slows the rate of growth but does not halt it completely; kids' bodies are still growing and that includes their eyes.
Last myopia control article I read had three different glasses lens companies coming out with myopia control glasses with a myopic defocus on the periphery. I haven't seen the clinical results yet since they are so new.
Other options for myopia control are Ortho-keratology and atropine 0.05% drops.
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Video
👓⁉️
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gaystation4 · 2 months
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