Penlight for medical purposes

rlapporte

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Joined
Jan 17, 2014
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Hi. I am a physician and am looking for a light I can keep in my shirt pocket with good color rendition for medical purposes. Not too much flood, since I will be using it in the eyes and mouth.

1) How would you prefer to purchase the light?

____I would like to purchase the light in person from a brick and mortar store. I am located in ______________.
__x__This will be mail-order or Online (location doesn't matter).


2) Budget: An easy question, but you may change your mind after answering the rest! :)

____I don't know yet
____Up to $25.
____Up to $50.
____Up to $100.
____Up to $200.
____Up to $300.
___x_Essentially unlimited.


3) Format:

____I am not sure, please help me decide.
__x__I want a flashlight (hand held/self contained).
____I want a self-contained headlamp.
____I want a headlamp with an external pack/power source.
____I want a mounted light (typically for a bicycle or vehicle)
____I want a lantern/area light.
____I want a portable spotlight (it may have an external power source).
____Other ____________________________________________


4) Size:

____MICRO - Keychain size.
__x__TINY - Every day carry (2-4 inches).
__x__SMALL - Every day carry (4-7 inches).
____MEDIUM - Holster/belt ring carry. (>7 inches)
____LARGE - Big enough to need its own travel case.
____I don't know/I don't care.


5) Emitter/Light source:

__x__LED (known for efficiency, longevity, and compactness)
____Incandescent (known for superior color rendition)
____HID (known for max output, but often at the expense of size)
____I don't know.


6) Manufacturer:

_x___I want to buy a light from a large/traditional manufacturer that is ready to go out of the box.
_x___I would like a light from a specialty manufacturer (Possibly limited run/Custom).
____I am interested in assembling my own components. (for example a "host" or flashlight body from one manufacturer, and a "drop-in" emitter from another source).


7) What power source do you want to use?

____I intend to use "Primary"/Disposable Alkaline batteries based on the usual AAA/AA/C/D sized cells common to most stores.
____I intend to use "Primary"/Disposable Lithium batteries based on the usual AAA/AA/C/D and CR123 sized cells common to most stores (often a cold weather or long storage choice).
__x__I intend to use Rechargeable cells (NiMH or NiCD) based on the usual AAA/AA/C/D sized cells common to most stores.
__x__I intend to use Rechargeable cells based on less common formats (18500 or 18650 Li-Ion, RCR123, et-al).
__x__I want a light with an integrated rechargeable battery pack.
____I don't know/I need more information on power sources.

7a) If you have selected a rechargeable option
____I want a light that plugs directly into the wall (literally with prongs built into the light)
____I want a light that has a recharging adapter (your typical "wall wart")
____I want a light that snaps into a cradle (usually mounted on a wall)
____I want a separate/stand-alone charger (this involves removing the batteries to charge)
__x__I don't care


8) How much genuine out the front (OTF) light do you want/need? Sometimes you can have too much light (trying to read up close up with a 100 lumen light is not a happy experience).

____I want to navigate a dark room or read a map (1-10 lumens).
____I want an indoor "blackout" light (15-50 lumens)
____I want to confidently walk around an unlit/unpaved rural area (60-150 lumens).
____I want to illuminate my entire backyard or a campsite (150-300 lumens).
____I want to illuminate an entire field, the neighbor's front yard several houses down, impress my friends and neighbors, etc. (300-700 lumens).
____I want search and rescue type illumination (800+ lumens).

____SPECIAL NOTE: Burst/Turbo mode Category - There are several lights that will run at a super bright maximum for a very limited period (usually 5-10 minutes) and then will "step-down" to a lower level for thermal control. Check here if this is acceptable.


9) Flood vs Throw: Flood covers an area, Throw reaches out to a distance.

____All Flood: I am doing "arms length" tasks like reading and campsite cooking.
____Wide Flood: I want a defined flood area for semi-close tasks like after-dark campsite tasks or working on a car.
____Narrow Flood: I want a sharply defined flood area that will project some distance for tasks like trail walking.
____Wide Throw: I want a beam with a noticeable hot-center for distance throw and a significant amount of "side-spill". Good for rough trail hiking, search and rescue, and general distance work.
____Narrow Throw: I want a beam with a very tight "hot center" and minimal "side-spill". Good for distance viewing, fog, and looking through dense undergrowth.
____Turbohead: I want a far-distance projector with a sharply focused spot of light and minimal or zero side-spill. Good for extreme distance and impressing your friends.

9a) Distance: How far away will you typically need to see with this light (check all that apply)
__x__Less than 1 yard/meter (reading, other close work)
____Less than 5 yards/meters (looking for something inside a dark shed/garage/basement)
____5-20 yards/meters (check out a noise in the backyard)
____30-50 yards/meters (I have a big backyard)
____50-150 yards/meters (I live in a very rural area/farm with wide open spaces)
____150+ yards (I am searching from a helicopter)

10) Runtime: Not over-inflated manufacturer runtime claims, but usable brightness measured from first activation to 50% with new batteries (Measured on maximum continuous output).

____Up to 30 minutes (I want the brightest [and potentially smallest] light for brief periods)
__x__30-60 minutes (I have plenty of batteries just ready to be changed)
____90-120 minutes (Runtime is moderately important, but still not critical)
____3 hours + (I critically need this light to run on max for extended periods in between battery changes/charges).




11) Durability/Usage: Generally the old phrase "you get what you pay for" is very accurate for flashlights.

____Not Important (A "night-stand" light).
__x__Slightly Important (Walks around the neighborhood).
____Very Important (Camping, Backpacking, Car Glove-box).
____Critical (Police, Fire, Search & Rescue, Caving, Survival).
____I don't know.


12) Switch Size, Type, and location (choose all that apply):

____Any size switch will do.
____I need a BIG switch (I'll be using gloves or have very large hands or coordination issues).
____I want a forward clicky (Helpful for momentary activation and signaling).
____I want a reverse clicky (For use with multi-mode/level lights).
____I want a momentary switch (Predominantly for use with signaling and short bursts of momentary light only).
____I want a twisty switch (Tighten the head/tailcap to activate, and the light will stay on until the head/tailcap is loosened).
____I want a body mounted switch (near the head, like on a Maglite).
__x__I want a tail mounted switch (found on the majority of today's high end lights).
____I want a remote switch (usually found on high-end bicycle headlights)
____I don't care.
____I don't know.
____Other, please specify____________________.


13) User Interface (UI) and mode selection. Select all that apply.

____A simple on-off with only one output level is fine for me.
__x__I want 2 light levels. (Brighter/short runtime and Dimmer/long runtime.)
__x__I want multiple light levels. (Some lights have 5-16 light levels.)
____I want a programmable light.
____I want a selector ring.
____I want a strobe mode. (Oscillating pattern to confuse/blind aka "Police Mode")
____I want SOS mode. (blinks in ---...--- emergency pattern)
____I want a beacon mode. (Regular flashes at full power to show location.)
____I don't care.
____I don't know.


14)Material/Finish/Coating

____Plastic/composite body (this may limit your choices significantly).
____Anodized Aluminum – either type II or III (Hard Anodized) (Aluminum, specifically HA, is the most common material/finish for today's higher end flashlights).
____Stainless steel (durable, but much heavier than aluminum)
____Titanium (durable and nearly as lightweight as aluminum, but can be moderately to significantly more expensive).
____I don't care.
____I don't know.
_x___Other, please specify_don't care but needs to be able to tolerate alcohol based cleaners for medical purposes.___________.

15) Water resistance
____None needed
__x__IPX4 (Splash resistant)
__x__IPX7 (Waterproof to 1 meter/30min)
____IPX8 (Submersible to greater than 1 meter for 4 hours)

16) Storage conditions
__x__In house (temperature/climate controlled environment)
____Emergency kit (long standby periods)
____Automobile glove-box (wide temperature swings, long standby periods, critical reliability)
____Other_________________________________________ ____


17) Special Needs/extras: Is there anything else you want or need that hasn't been mentioned? Select any/all below.

____Red filter (for preserving night vision).
____Other filter colors (Amber, Green, Blue, _________).
____Dedicated R/G/B secondary LEDs.
____"Hybrid" light (bright incandescent combined with long running LEDs)
__x__Pocket/belt clip
____Holster
____Wrist/Neck Lanyard
____Crenulated bezel
____Non-sparking, Intrinsically Safe (IS) for use in explosive environments​


Last edited by zespectre; 10-13-2013 at 05:38 PM.​
 

mcnair55

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Oct 27, 2009
Messages
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Location
North Wales UK
Can you not get a freebie off one of the drug reps? I got some off someone who works in the local hospital.
 

rlapporte

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Jan 17, 2014
Messages
38
Haven't seen drug reps in a long time. Also, I'd like a quality light with a nice beam that is water resistant rather than a disposable.

Can you not get a freebie off one of the drug reps? I got some off someone who works in the local hospital.
 

mcnair55

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Oct 27, 2009
Messages
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Location
North Wales UK
Haven't seen drug reps in a long time. Also, I'd like a quality light with a nice beam that is water resistant rather than a disposable.

Fair enough as that is what i got was box of disposable but i noticed you can put new batteries in.
 

reppans

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Mar 25, 2007
Messages
4,873
Foursevens Preon 2 with Nichia 219 emitter at illuminationsupply
 

Blue Steel

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Mar 7, 2014
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I also have to agree with the Preon 2. Although I don't have a nichia in mine, it's still a fantastic light, in my opinion.
 

Charles L.

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Feb 17, 2010
Messages
460
Location
Raleigh, NC
I'm a veterinarian, and have a Preon 2 with Nichia emitter. Love the light generally, but even the low setting is a bit bright for evaluating pupillary light reflexes. Not just for dogs/cats -- I shined it in my eye as well, albeit briefly. Wouldn't want to do that again. Went back to my cheap old penlight given to me as a vet student -- still works, and can't be more than 1 or 2 lumens.
 

Poppy

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Dec 20, 2012
Messages
8,468
Location
Northern New Jersey
I'm a veterinarian, and have a Preon 2 with Nichia emitter. Love the light generally, but even the low setting is a bit bright for evaluating pupillary light reflexes. Not just for dogs/cats -- I shined it in my eye as well, albeit briefly. Wouldn't want to do that again. Went back to my cheap old penlight given to me as a vet student -- still works, and can't be more than 1 or 2 lumens.

I considered recommending the DQG S2 stainless 2xAAA light but @15 lumens low I figured it would be too much.
The preon 2 however is rated at 2 lumens with the XP-G2 cool white emitter. Is your light driven harder with the nichia?
 

dr. Chernobyl

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Apr 17, 2014
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Zagreb, Croatia
Beta-QR copper version has nichia 219 and 1 lumen output mode, a bit more expensive than standard betas but it has that low mode that is good for eye examination

and I saw that pocket clip from olight i3s works good on this light
 
Last edited:

Charles L.

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Feb 17, 2010
Messages
460
Location
Raleigh, NC
I considered recommending the DQG S2 stainless 2xAAA light but @15 lumens low I figured it would be too much.
The preon 2 however is rated at 2 lumens with the XP-G2 cool white emitter. Is your light driven harder with the nichia?

Good question, not sure. I did note that Selfbuilt obtained a 3.5 lumen low setting for the XP-G.

My Preon could be used for PLR's, but I think at least a few people would object. My patients are more likely just to bite :)

Beta-QR is a great looking light.
 

silviacrazed

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Apr 23, 2014
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Have you possibly considered the Streamlight ProTac EMS? Uses 1AA, has three light outputs (first is 3.5 lumens, then 10 lumens, then 50 lumens). I've looked at picking one up for pupil reaction to light for drug cases at work.
 

rlapporte

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Jan 17, 2014
Messages
38
Wow, thanks for all the great suggestions! I will look into all of these and let you know what I decide. How many lumens do you think is appropriate for an eye exam? I have two lights that I can dim very low (Sunwayman V11r and the EDS rotary), but neither have good color rendering and both are a bit too floody for this purpose.
 

Poppy

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Northern New Jersey
Wow, thanks for all the great suggestions! I will look into all of these and let you know what I decide. How many lumens do you think is appropriate for an eye exam? I have two lights that I can dim very low (Sunwayman V11r and the EDS rotary), but neither have good color rendering and both are a bit too floody for this purpose.

I would think that one to three lumens would be sufficient for light reflex, but to give a proper eye exam, you'll need something with diopters to look INTO the eye. Welch Allen comes to mind.

at sbflashlights you may find the L10 good. It has a very low low 0.09 lumens, and a 3 lumens setting, followed by 30 for an oral exam. I don't know what the beam is like, being an AA light.
L3 Illumination L10 Colors Nichia 219
 

calipsoii

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Apr 21, 2010
Messages
1,412
Have you possibly considered the Streamlight ProTac EMS? Uses 1AA, has three light outputs (first is 3.5 lumens, then 10 lumens, then 50 lumens). I've looked at picking one up for pupil reaction to light for drug cases at work.

Got one at home. It uses a cool-white Cree XR-E and has horrible color rendering. It's also insanely throwy, with a small die emitter and a deep smooth reflector. I like that it runs on AA and comes in blue, but I'm a bit boggled why they continue to market it for close-up medical work without updating the emitter and/or stippling the reflector.
 

rlapporte

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Jan 17, 2014
Messages
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Thanks, Poppy. I'm not looking for retina exams with this light. We have ophthalmoscopes for that. I just want a light on me so that I can do a quick pupil and mouth exam without having to run and find an otoscope.

I would think that one to three lumens would be sufficient for light reflex, but to give a proper eye exam, you'll need something with diopters to look INTO the eye. Welch Allen comes to mind.

at sbflashlights you may find the L10 good. It has a very low low 0.09 lumens, and a 3 lumens setting, followed by 30 for an oral exam. I don't know what the beam is like, being an AA light.
L3 Illumination L10 Colors Nichia 219
 

Poppy

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Dec 20, 2012
Messages
8,468
Location
Northern New Jersey
Thanks, Poppy. I'm not looking for retina exams with this light. We have ophthalmoscopes for that. I just want a light on me so that I can do a quick pupil and mouth exam without having to run and find an otoscope.

LOL... ok, you know the real-doctor-words :)

This Thread has pictures of a hand with different tints, and you will be able to see why the nichia 219 is being suggested.
 
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