Hello David, Scott, and Others,

David, I'm not in a position to evaluate low vision use of the Mac, and you're correct, there isn't a way in the existing Universal Access preferences for adjusting the Display to do more than switch to white- on-black, use grayscale, or adjust contrast. Tim Kilburn accurately summarized that in his reply. However, one of the interesting posts in the archives came from a low vision user and switcher named Matt Mueller who, among other things, recommended a freeware program from Blacktree named Nocturne:
http://docs.blacktree.com/nocturne/nocturne

Here's a brief excerpt pasted in from Nocturne's web page:
<begin quote>
Nocturne is a simple app for switching a computer to night vision mode. It does, however, add a few things:

Features
        •
Color correction in inverted and monochrome modes - you can correct hues when inverted and won't lose a channel when using tinted monochrome.
        •
Window shadow toggling - if glowing windows aren't your thing.
        •
Background removal - hide the desktop picture so you don't see an inverted version.
<end quote>

In your initial post, you mention that you browsed the list archives. May I suggest that you may find it more effective to examine the list archives at the secondary mail archive site:
http://www.mail-archive.com/macvisionaries%40googlegroups.com/

I find this superior to using the Google Groups archives, both for the simplicity and power of the search syntax for locating posts, and for the support of access key combinations that work across browser platforms that allow you to quickly do things like read up and down discussion thread posts. You can search by author, date range, use Boolean arguments and wild cards, and also now get the results sorted in date order. (This last feature is one that I requested a couple of months ago, and I see the Mail Archive FAQ on search syntax has now been updated to include the "sort:newest" and "sort:oldest" option.)

I won't spend more time on the search facility, except to point you to Matt's post (which I was able to find using this facility). It's a commentary on the usability of magnification features under VoiceOver and other low vision features, and provides a different perspective of a user's switch to VoiceOver from the one that Scott gives:

http://www.mail-archive.com/macvisionaries%40googlegroups.com/msg00710.html
(Re: Zoom Text on Mac)

Scott, you comment on the frustration of the linear way of using screen readers. What's interesting is that David and other new potential Mac users are being drawn to examine the Mac from the experience of using the touch screens on the iPhone, iPod Touch, and iPad. That system definitely allows users o break away from a purely linear usage, as does the whole notion of "group mode" in web navigation and the Mac's concept of interacting in only those sections you want to examine in detail. What's interesting is the fact that these two operating systems, iOS 4 on the iDevices with the touch screen based experience, and Mac OS X on the Mac computers, are beginning to merge in usage and functions. This is most recently seen with the introduction of the Magic Trackpad for the Mac, which allows the gesture based navigation on the iDevices to be brought to the Mac computer. We've already heard comments from recent switchers, like Geoff, about finding that Magic Trackpad use increases his efficiency over the standard VoiceOver shortcuts. On the iPhone, iPod Touch, and iPad side, we've seen support for Bluetooth keyboards and Braille devices add keyboard input and navigation to the functionality of the touch screen and gesture based devices.

One of the reasons that I adopted both the iPod Touch and the iPad when these were released was that I wanted to keep up with the new functionality that was being introduced with these devices (and also, hopefully provide useful feedback that would assist in their development). I didn't envision getting a new computer any time soon, and generally just keep using my old ones (e.g., the 12" PowerBook G4 that was my first Mac, that dates back to the start of this original list over 5 years ago is still in operation; it just can't do any of the cool, Intel-based functions. My current MacBook is of 2008 vintage, and I expect equal longevity). So for me, the way to keep up with the new trackpad and gesture features was also through the iPad and iPod Touch. I didn't realize at the time that Apple would introduce devices like the Magic TrackPad that would bring the older machines into the fold.

While I agree with Scott's comment that the Macs are in no way "magical", I suspect that if he tried the new device interfaces that he might find some of the increased efficiency and features he is bemoaning. This isn't to say that this configuration works equally well for all purposes and individuals. It's simply a statement that the potential for this different mode of operation might bring him desirable features.

As for David's decision, I do see the color customization limitations as a possible deal breaker. I agree that there hasn't been as much effort put into improving some low-vision features on the Mac. The feedback and requests from blind users is simply far larger, I suspect, and so most efforts have gone to making these fixes. However, it may be that third party freeware such as Nocturne may provide what he needs.

HTH.  Cheers,

Esther

On Oct 8, 2010, at 05:51, Scott Ford wrote:

Hello David,
I have traveled the same road as you. I still have some vision, however my vision is in the more advanced stages than you. I must use a screen reader in order to effectively navigate my computer. I am also an Adaptive Technology specialist. This thread has been incredibly fascinating to read. I purchased my Mac book pro nearly two years ago, even at that time I was a voice over user and Jaws user. I found the switch from magnification to voice an incredibly hard switch. The most frustrating part is the linear way that one must use a computer while working with a screen reader. This slows productivity down so much. On a totally different point I unfortunately find that I must still frequently complete work in windows. The positive to this is that I can run bootcamp. The down side is it is really annoying to switch back and forth. I have fusion, however the quirky keyboard configuration and the Jaws ilm configuration is not very optimal. I did find the post about the application for Mac color configuration very intriguing. I must agree with you david, in your analysis, I feel that you are spot on. The most exciting aspect is that the technology is only going to become better, the machines are going to get faster. Finally whether you get a Mac today or a Mac tomorrow it is just another computer, unlike common lore Macs are no more magical than a PC.
Sincerely,
Scott to Oct 8, 2010, at 6:59 AM, David Goodwin wrote:

Hi Ricardo and Nic,

Thank you both for your recent posts. I had been considering how best to respond to some of the comments made elsewhere in this thread, but I think you guys have just about covered things for me <smile>.

All that I am trying to do is determine the combination of tools that will make using a desktop computer as easy and efficient as possible. At the moment my residual vision is such that it should be regarded as one of the 'tools' available to me (and will continue to be so for some time). And no, this is not me in some kind of denial about the state of my vision (as some others have hinted at). It is simply the way that things are for me.

On something as small as an iPhone my residual sight has little to offer, so VoiceOver is my only real choice. However, things are less clear-cut on a desktop. A screen reader on its own would not be the most efficient option for me at this time. So, I need to decide whether having VoiceOver available as an option, along with the more important (to me) screen magnification and colour inversion, offers any advantages over my current set-up on a PC. Having now seen the colour inversion feature in operation, the decision is not as clear as I had anticipated. Looking at my screen right now, everything is displayed in colours that are optimized for my sight problems. This would not be the case if I were typing this on a Mac.

David


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