Hoover - please post the following:
Regards,
Dick
In response to my question:
> I am seeking to purchase (new) a head rest and chin rest for
> vision psychophysiology experiments, ideally capable of mounting on a
> tripod. If anyone can direct me to an optometric or opthalmologic or other
> company which sells such products, I would appreciate it. Please reply
> directly
> to me at young@gmr.com.
> - Dick Young
I thank the following colleagues for their replies: Bruce Henning, Jay M.
Enoch, Adam Reeves, Ellie Francis, Rhea T. Eskew, Gerald Westheimer, Chris
Kuether, H. H. (Mike) Mikaelian,
Bruce Bridgeman, Kyle R. Cave, Philip Anderton, David Grosof.
Many, many others requested information I found out, so the following is a
summary.
Here are companies who sent catalogs and other information:
Western Optical
1200 Mercer St.
Seattle, WA 98109
800-926-9938
table model chin rest, $122, C-clamp style $136, Floor model $136.95
Lafayette Instrument
317-423-1505 800-428-7545
Head-Chin Rest table clamp Model 14300 $211
Veatch Ophtlamic Instruments 136 W. Orion St. #3
Tempe, AZ 85283
800-447-7511
They offer either the "C" clamp style head-chin rest or the used Bausch and
Lombue
slit lamp for $250.00.
Richmond Products, Inc.
1021 S. Rogers Circle, Suite #6
Boca Raton, FL 33487-2894
1-407-994-2112
800-448-4538
large catalog of opthalmic/optometric supplies.
head & chin rest unit -
table model, height adj. 8-13", wrinkle finish base, 3 lbs $122
C-clamp model $136
floor model, height adj. 34-62" charcoal, wrinkle finish base, 12 lbs, $136.95
---------------
In my own case, we initally borrowed a used Bausch-Lomb c-clamp model,
kindly loaned to us by
Lawrence Baitch of Opthalmology Dept. at Mt. Sinai Hospital in Detroit. This is
quite heavy duty but is apparently only found on used equipment.
We have ordered the Richmond floor model for $136.95 for our final set-up.
We'll see how it works. We are testing perceptual validity of virtual reality
full-size vehicle interiors. (Talk about a rich perceptual test environment).
If anyone has useful relevant reprints on this topic, please send or e-mail
references.
The particularly helpful replies follow:
--------
Date: Mon, 30 Sep 1996 12:00:22 -0500 (EST)
From: REEVES@neu.edu
Subject: head/chin rest
To: young@gmr.com
Mime-Version: 1.0
I've always built my own, as the standard products are weak.
The essential thing is to get enough mass of metal into the support
so as to reduce wobble and viberations. Also, you need a good table
and a heavy clamp. And you need enough flexibility to account
for short and tall people.
I built mine out of rods and clamps used in chemistry experiments,
plus a chin rest stolen from an ophthalmological device.
For anything serious, use a bite board. A small patch of dental material
on the end of a half-inch plate will anchor the front teeth, and this
is usually enough, unless you want maxwellian view precision.
Finally, having a support rod so you can easily introduce an artificial
pupil is a very useful feature, necessary if you are going to control
accomodation and/or overall light level. Trying to attach something like this
to the usual commercial product is not easy, due to wobble etc.
best of luck.
Adam Reeves.
-------
Date: Mon, 30 Sep 1996 12:03:26 -0400
X-Sender: francise@206.32.122.20
Mime-Version: 1.0
To: young@gmr.com
From: francise@ne-optometry.edu (Ellie Francis)
Subject: head 'n' chin rest
There's a great combination rest that's made to immobilize the head for
recording eye movements with an infrared limbus reflection recorder. I
think the company is Eye-Scan, but I'm not absolutely sure. Track down the
eye movement recorder and you should be able to find it. It has a chinrest
and a couple of rubber circles that are mounted on a support that encircles
the sides of the head and the forehead. These circles are adjusted against
the subject's head once they are in the chinrest to provide head support.
It's comfortable for the subject and really immobilizes their head. And it
only costs a couple of hundred dollars.
good luck!
Ellie Francis
-----
Date: Mon, 30 Sep 1996 12:18:10 -0500 (EST)
From: ESKEW@neu.edu
Subject: head rest query
To: young@gmr.com
Mime-Version: 1.0
Hi. Lafayette instruments used to sell a pretty crummy head&chin rest.
I'm afraid I've lost their address, but I bought one of these things
and after my experience with it I doubt you'd want it anyway.
(If you can't find any other source ask me again -- I might be
able to dig up the purchase order in an old file). I'd be very
interested in finding a better solution, so I'd be grateful if
you tell me whatever you discover.
Good luck.
--Rhea
==============================================================
Rhea T. Eskew, Jr., Ph.D. +
Dept. of Psychology, 125-NI +
Northeastern University +
Boston, MA 02115 + "It's deja vu
U.S.A. + all over again."
+
================================+ --Yogi Berra
eskew@neu.edu +
(617)373-3863 (voice) +
(617)373-8714 (fax) +
==============================================================
-----
Date: Mon, 30 Sep 96 13:01:27 EDT
From: Leslie Welch <LWELCH@BROWNVM.brown.edu>
Subject: chin rest
To: Dick Young <young@gmr.com>
I have found chin and head rests through Veatch Ophthalmic Instruments,
(602) 438-0799, 1-800-447-7511, FAX: 838-4934. They have a table
model that adjusts between 8" and 13" high. They also have a floor
model that adjusts 34" to 62" high. Both come with a heavy round base.
They have a chin cup and a horizontal forehead rest. My catalogue is
old but I expect they may have other products that can meet your needs.
Good luck.
Leslie Welch
Brown University
Psychology
------
Date: Mon, 30 Sep 1996 13:36:02 +0800 (U)
From: "KUETHER, Chris" <ckuether@mail-gw.opt.uh.edu>
Subject: headrest
To: dick young <young@gmr.com>
I hear via cvnet that you need a headrest. We here at UHCO have developed a
good general purpose head/chinrest which clamps to the edge of a table or
bench. It could be modified/accessorized to use a tripod.
The Foundation for Education in Research and Vision here at UH can sell these
to you. The price is $250 plus 8.5% sales tax and whatever
shipping/insurance it takes to get to you.
If you're interested in more detail -- reply here:
regards
chris
----
X-Sender: martini@pop.unb.ca
Mime-Version: 1.0
Date: Mon, 30 Sep 1996 16:48:50 -0300
To: young
From: martini@unb.ca (H. H. Mikaelian)
Subject: chinrests
Hi, I have purchased my chin/head rests from American Optical; they are
still in business, perhaps still sell the product. You may have to do some
modification to fit it to a tripod.
The phone number for customer service at American Optical is
800-828-7163 (this is an old number and I am not sure if it is still active).
The address for ophthalmological instruments is:
American Optical
Scientific Instruments
10 Optical Group
Keene, New Hampshire 03431
You might find it easier to purchase instruments from them not directly,
but perhaps via an optical or eye-care firm that deals with them, as
American Optical does not sell directly to consumers. It might also be
easier to contact a branch office of American Optical near you in Michigan.
Good luck in getting through to them. Mike.
Cheers, Mike.
H. H. (Mike) Mikaelian
Department of Psychology
University of New Brunswick
Fredericton, New Brunswick Canada
E3B 5A3
martini@unb.ca Voice: (506)-453-4707 FAX: (506)-453-4505
-------
Date: Wed, 02 Oct 1996 14:17:35 -0600 (CST)
From: "Grosof, David 314-362-2384" <GROSOF@am.seer.wustl.edu>
Subject: Chin rests
To: young@gmr.com
Autoforwarded: false
Mime-Version: 1.0
Importance: normal
Priority: normal
Ua-Content-Id: 11AA13912200
Hop-Count: 1
Hi,
Remember me? I was in Russ De Valois' lab as a grad
student when you visited, and I think we shared a
meal or two at ARVO.
For chin rests, I am not sure, but try
Western Optical Corp.
800-426-9938
fax 800-423-4284
If they don't sell it, you may want to schmooze them
to find out who does sell them. Six or seven years
ago, I saw them in a catalog for sale as separate
items, but I don't recall the company.
David
grosof@am.seer.wustl.edu
------
Richard A. Young, Ph.D. |:) Phone: 810-986-1471
(GM:8-226-1471)
Staff Research Scientist FAX: 810-986-9356
Manufacturing and Design Systems Dept./294 RANB e-mail: young@gmr.com
Mail Code 480-106-285
GM R&D Center, Bldg. 1-6
30500 Mound Road, Box 9055
Warren, Michigan 48090-9055 USA
Q. What did the Zen Buddhist say to the hot dog vendor?
A. "Make me one with everything."
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