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I am trialling monovision at present. I have dry eyes and the original trial lens Specsavers gave me was filcon ii, it was drying out after a few hours, it was also cloudy (for me it was similar to my old Pure Vision lenses), so I requested to switch to Aix Optix Aqua. I started wearing Air Optix Aqua from yesterday.
Monovision for me is just one distance lens (-2.50) in my dominant left eye (nothing in my right as my reading near eye is fine). The Air Optix Aqua was great from the moment I put it in, very clear, no clouding or drying out. I also recently bought some economical Splash lenses for my right eye in intermediate (-1.25) and distance (-2.00) for different situations (as these would be occassional use only, if at all, I didn't want to spend to much). Yesterday I decided to put distance Air Optix Aqua in one eye and distance Splash in the other to compare. Surprisingly very similar, no clouding or dryness in either eye after 10 hours. If I had to pick one it would be hard because Splash was so, so clear but Air Opix Aqua slightly more comfortable and very similar level visually. Last edited by goldcoaster; 02-01-2012 at 06:16 PM.. |
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Day 2 - Wore optic aqua in one eye and splash in other. Again very similar, both very clear vision and comfortable at end of day. Possibly slightly clearer at end of day on the Optix aqua eye. Wore them for 12 hours.
I'm supposed to be trialling monovision but decided to wear glasses over the top of my contacts when working today (I have extended desktop computer setup), it worked really well. I think I'll compare these two lenses for a few more days. |
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What is "splash"? Is that a maker of contact lenses?
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They are made by Interojo (Korean). I was a bit doubtful about tring them as they are a Methafilon A type 4 lens (high water/ionic). I had it fixed in my mind I'd be more compatible with a low water lens/nonionic lens. I am surposed to be trialling monovision with maybe just second lens for movies or an intermediate lens for computer (four hours at a time) I grabbed them as something economic an to experiment with (also maybe try a multifocal in my nondominant eye). I would like to wear them both equal time to compare how they wear and comfort after a couple of weeks. But on a practical level monovision is better for me around the house and shopping etc.
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How do you know so much about contact lens materials and manufacturing, goldcoaster? Is it your profession?
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What's wrong with a high water/ionic lens material like Methafilcon A?
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About 2008 I could no longer tolerate the Pure Visons I had been wearing happily for a few years (they were one of the first Silicone Hydrogels I think), so I stopped wearing them. At the time my eyes became dry and I developed presbyopia (I could not longer read with my distance lenses in). So I became an unhappy glasses wearer, however, taking them off to read all the time became annoying. There have been quite a few difference materials introduced in the last few years, I'm interested in knowing which ones are compatible with my eyes (dry, presbyopic). I've tried a few multifocal with not great sucess (biofinities/Pure Vison), now trialling monovision. I've jsut been reading quite a bit about the materials to try and find the ones more compatible with drier eyes. |
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I'd been wearing Pure Visons previously and they clouding up after a few hours, I thought Methafilcon A may also (both being ionic materials). |
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Day 3 - Air Optix Aqua in left eye - Splash in right eye
Both still feel comfortable, no clouding, very slight dryness both eyes at end of day. Clear at end of day, today Splash seemed slightly clearer, to test I just cover one eye and look at a sign on a distant building (not very scientific). I bought a pair of $9.99 +1.00 fashions readers to wear over the -2.50 -2.00 contact lenses (I work for four hours on an extended destop computer monitor setup). It was clear and comfortable, similar visually to wearing my optican script computer glasses (-1.25, -1.25 intermediate vision). Also bought a box of Allergan Optive sensitive eyedrops in single vials. I work in airconditioning so I got them just in case. Also we have been experiencing extremely humid weather here, I'm wondering if its possible the weather has helped to keep my eyes from drying out. Tested a vial out last night, I really like these drops (more than the bion tears and systane preservative free versions). |
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This morning I just put in one lens (monovison) to do ad hoc reading and see computer at home, also went for beach walk and coffee with girlfriends (able to enjoy the beach view and read the menu). But this afternoon I will put in second lens to drive to work and wear reading +1.00 glasses which give me better intermediate vison for computer work on extended desktop monitors. No Conclusion as yet but so far feel both good lenses for me. I like the Splash lenses, price doesn't seem to be an indication of whether a lens will suit. I'm encouraged by this and would like to get some Splash dailies to try also (very economical and same material - methafilcon A). I also really like the Air Optix Aqua and the fact it is high DK. It will be interesting to see how many weeks I'll get out of it (its a monthly but I'm wearing it 12-15 hours) |
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What more do you need to know? Are you planning on running any more specific tests or are you just going to wear them for a little while longer?
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Day 4 evening - I wore both lenses out to dinner and movie after work last night (met up with my teenage son for tea and later my husband). The film was in Vmax cinema, the clarity of the contacts compared to glasses was awesome. But for Sushi Train and eating in general I think monovision is best. I fished for reading glasses at least 10 times, to check plates, answer and calling on phone, checking messages, reading menu, reading bill, using EFPOS etc. |
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No, neither wear contact lenses. My son wears very weak glasses to help him focus at school (more vision therapy) and my husband is starting to use reading glasses at work (I'd love to get his eyes tested, but he stumbles along with his chemist readers).
Last edited by goldcoaster; 02-07-2012 at 04:24 PM.. |
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What is this "vision therapy" your son is participating in?
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He saw a behavioural optometrist and was tested as being slow to switch focus (from near to far or viseversa), also his eyes don't track as a team very well (he has problems following lines in books when reading). To assist focus he wears extremely weak glasses (in classroom only). Apparently it helps to focus and prevents eyes from getting tired, I'm a bit sceptical. There was also a follow up appointment suggested for vison therapy exercises but we just don't have the energy to fit them in.
The same optom saw a friend of mines son and he is now doing OthoK, its been great for him, very myopic, he now doesn't have to wear glasses to school (and from want we understand it slows the progression of myopia). |
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I understand, but if you just search Lens 101 for "Ortho K" it won't take long. I just tried it and got over 40 results in about ten seconds. Just click on "search" up there in the blue line below the "Lens.com" banner. The only catch is that you have to enter a code of letters to prove you're not a spam-generating computer, and sometimes the code is a bit hard to read, but you'll be okay.
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Last edited by goldcoaster; 02-07-2012 at 07:25 PM.. |
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I don't suppose that's covered by insurance, is it?
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Possibily a little. Generally health funds in Australia give maximum of $200 per year toward optical (although not everyone has extras cover ie optical/dental etc).
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Hmm . . . says here "Behavioral optometry also known as functional optometry is an expanded area of optometric practice that uses a holistic approach to the treatment of vision and vision information processing problems. The practice of behavioral optometry incorporates various vision therapy methods and has been characterized as a complementary alternative medicine practice. The field has been subject to criticism because there is little scientific evidence of its effectiveness.[1]"
It also says "In 1944-1945 the Wilmer Eye Institute of Johns Hopkins Hospital in Baltimore undertook a study of the use of behavioral optometry in the treatment of myopia.[5] The training was undertaken by A. M. Skeffington and his associates, who traveled to Baltimore for the purpose, but who used a clinic outside the hospital, and were carefully kept apart from the staff in the Wilmer Institute who assessed their progress. The 103 candidates were school students and young adults with uncomplicated myopia. Independent examination before and after training was undertaken using Snellen charts, and use of a retinoscope after introduction of a cycloplegic agent. The examining physicians 'were impressed by a psychologic improvement in a number of patients. Some patients while exhibiting no material change in their visual acuity, were nevertheless convinced that they saw better and that they used their eyes with greater satisfaction to themselves.' The objective results were as follows. Of the 103 subjects: 30 showed some improvement on all measures 31 showed overall improvement, but not on all measures 32 showed no overall change 10 showed deterioration of vision The report's author concludes 'With the possible exception of educating some patients to interpret blurred retinal images more carefully and of convincing some others that they could see better even though there was no actual improvement, this study indicates that the visual training used on these patients was of no value for the treatment of myopia.' A review in 2000 concluded that there were insufficient controlled studies of the approach[6] and a 2008 review concluded that 'a large majority of behavioural management approaches are not evidence-based, and thus cannot be advocated.'"[1] Footnote 1 says Brendan T. Barrett (2008). "A critical evaluation of the evidence supporting the practice of behavioural vision therapy" Ophthalmic and Physiological Optics 29 (1): 4–25. 5. Woods, Alan C. (January 1946). "Report from the Wilmer Institute on the Results obtained in the Treatment of Myopia by Visual Training" American Journal of Ophthalmology 29 (1): 28–57. 6 Jennings (2000). "Behavioural optometry – a critical review.". Optometry in Practice 1 (67). |
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The testing age 8 showed that his eyes weren't tracking well as a team. This improved but at age 12 he was retested and his speed of switching focus from near to far and visevera is very below average. This isn't the type of testing you would get done unless there were extreme concerns. It probably doesn't do much to just get it diagnosised. However it helps to have an understanding of the issues and for reporting to teachers so they can put strategies in place.
I do beleive vison therapy may improve his focusing speed but we just don't have the time to devote to it (especially on just a maybe). The brain is neuroplastic and can be trained and rewired (like spelling drills improve spelling ability). We are trailling off subject here but thought I should mention. Day 10 Splash Vs Optix Aqua - Both are a bit blurry, I think they started attracting deposits after about a week. I threw the Splash out today (Day 10). I'm using Opifree evermoist. I think a hydrogen peroxide system would clean better and I'd easily get a couple of weeks out of them (they don't feel degraded at all). Until I get into a routine with part of my day being monovision and part being glasses over contacts its probably safer to to stick to Optifree. I'm now thinking its time to trial daily lenses. Last edited by goldcoaster; 02-08-2012 at 07:13 PM.. |
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If nobody minds me adding a bit to this...
I am currently wearing a trial pair of Air Optix Monthlies I was given in early April. April 5 to be exact it is now May 19 here in Sydney, Australia so 44 days and no signs of trouble at all with the lenses I had finally ran out of my supply of monthlies coloured Coopervision Expressions Accents (methafilcon A) and had to go to an optometrist for a check up and new supply and that was when I found out they had discontinued Accents in Oz gutted! so the optometrist gave me a trial pair of Optix and I have been wearing them ever since trying to work out what to get instead of my usual as I was very happy with the other's colourThe Optix, however, do not come in a tint and that is the only reason I am delaying buying a supply of them or something similar until I have no other choice because other than that they have been amazingly comfortable. I have worn them for up 16hrs a day every day and even napped in them without any discomfort. I use AOSept (hydrogen peroxide) cleaning solution. They have been great on my motorbike and have improved my night vision clarity and reduced the halo effect a considerable amount from previous lenses. Comfort in high humidity and airconditioned environments has improved dramatically. I have had heaps of trouble with lens discomfort over the years so finding something that is comfortable and works for me usually takes a lot of trial and error |
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Alden optical based out of ny is yer best bet. This company has a couple of different lines of lenses to replace discontinued lenses. They have a silicon hydrogel lens which can be tinted with an accent tint with or without a clear pupil. However they only deal with eye docs to order lenses.
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