That doesn’t really explain how you get the lenses cut to the shape of your 3D printed frames. I guess the local shop also does that for you?
Comment on Replacement prescription eyeglass lenses?
ExtremeDullard@piefed.social 1 day ago
I 3D-print my own frames so I only buy the lenses. I get mine from Hoya because I find their Trivex lenses to be the best. But I can’t order from Hoya directly, and to my knowledge, none of the lens manufacturers deal with customers other than opticians and optical stores.
I get them from my local Optician. I made it very clear to them that I’m only coming to their store to get the lenses. I don’t need their services: all I need them for is to order from Hoya on my behalf. They play ball and only take a minimal cut to cover their time processing the order.
poVoq@slrpnk.net 1 day ago - ExtremeDullard@piefed.social 1 day ago
No, Hoya does it. I send them a 3D-printed template for their lens edging machine. It’s in the README under Ordering lenses.
- poVoq@slrpnk.net 1 day ago
Ah, interesting. That definitly wasn’t the case when I worked in such a shop 30 years ago 😅
- ExtremeDullard@piefed.social 1 day ago
Bricks-and-mortars can order lens blanks and edge the lenses themselves of course, if they have the edging machine. Older shops still do it. But modern stores just don’t bother anymore: they send the order to whichever supplier they use - often ordering the lenses from one supplier then having them shipped to some el-cheapo country like Vietnam for edging, which is why it takes weeks to get new glasses.
Modern opticians are little more than sellers of overpriced frames, which is why I roll my own. They make money on the frames and lose money on everything else, including fitting. You know how I know that? Because most shops will actually charge you a flat fee if you bring your own frames - including if you do the fitting yourself like I do. It’s properly outrageous.
grue@lemmy.world 1 day ago
I’m curious about what your costs are in actual dollars, although Trivex isn’t right for me because my R~x~ is so strong that I need a higher refractive index. I also appreciate that your 3D printed glasses link included a video about how the lens edging machine works.
Do you know of any other 3D printed frames that look… less Harry Potter-y?
My prescription is fairly complex - astigmatism and progressive correction with funky-ass zones. And I usually order them extra-thin -which Trivex just about allows in my case - so my glasses are as light as possible (my current 3D-printed pair weighs 11 grams with the lenses. And I have anti-scratch and UV filter coating.
My last pair of lenses cost me 300€. Not cheap, but it’s kind of a one-off as long as my vision doesn’t change and I pay attention never to wipe them with anything other than a clean microfiber and lens-cleaning fluid, to avoid scratching em. If I break the frame, which happens every once in a while when I sit on them, I can have a new one fresh out of the printer in 10 minutes.
Hehe sorry, I’m addicted to that shape - not for the style, but because small, round glasses are the type of glasses that sit closest to your face, so you get a huge field of vision with small lenses, and you can rest your head on a pillow without breaking the temples. No other style of glasses gives you that. Round lenses aren’t ideal if your correction is oriented - astigmatism - but my design has an anti-rotation notch.
I would suggest you design and model your own frames if you want another style: it’s not super-complicated and it’s really rewarding to wear something you created yourself every day!
grue@lemmy.world 1 day ago
Ah, see, that’s what I was afraid of: Zenni is stupid cheap; the glasses I’m trying to replace were about $70. Granted, that was more years ago than glasses are supposed to go between prescriptions, but still, I was hoping for approximately an order of magnitude less cost for these DIY-cut lenses.
I like the idea of pillow-compatible glasses, but I already have a bit of resemblance to Harry Pottery that I’m not exactly looking to enhance. I tend to go for rectangular lenses.
It really depends on your prescription. Mine will never come cheap. Even hard-discounters will charge me an arm and a leg for the correction I need.