Flip up waterproof galilean loupes 3.5X Titanium Frames

Name: Flip up waterproof galilean loupes 3.5X Titanium Frames
Brand: Care Optical Industrial Co.,
SKU: F-W-Ti-3.5X
Availability: InStock
Rating: 5 (1 reviews)

Item No.: F-W-Ti-3.5X

best quality dental loupes surgcal loupes waterproof desinging with Titanium frames

Product parameters
working distance:	340mm/420mm/500mm/550mm
pupil distance:	can be adjustable
Frames Color:	Silver/black
Can be Mounted Rx Lens:	yes

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Description technical data online shop what are working distance and pupil dsitance?How to measure it

High quality dental loupes surgical loupes 3.5X,Flip Up Style, titanium frames 3.5x magnification with different working distance,view angle adjustable, pupil distance adjustable. real 100% waterproof designing.
loupes are flip up style waterproof magnifier glasses widely used in dentistry, Department of Stomatology, ENT department, general surgery, cervical spine Department of Neurosurgery, cardiovascular and cerebrovascular disease, cosmetology and plastic surgery, pet hospital and other medical fields. IT is a a necessary magnifier glassesfor doctors in the fine examination and treatment

Features:

Razor-sharp, edge-to-edge clarity
Extremely high resolution optics
Lightweight design
Multi-coated for: anti-glare, anti-fog and scratch-resistance
Quality Warranty
Manufacturer direct pricing

Light weight, Galilean type dental loupes surgical loupes. Maximum ease of use, combined with multi-functional capabilities. Available in a variety of working distances for your maximum comfort .Multi-coated precision lenses for superb clarity and reduced reflection. Ultra light-weight body and frame for maximum comfort. Fully adjustable viewing angle, pupil distance and flip-up function.

Sports frames can't be mounted prescription lens. Waterproof designing loupes is real waterproof

Packing includes (accessory)

Dental surgical loupes

High quality sports frames

Luxury AL case packing

Clear protective lens cover

Headband strap

Flip up paddle

screwdriver

cleaning cloth

Loupes manual

waterproof dental surgical loupes packing

careoptical galilean dental loupes surgical loupes data

online shop：
Flip up waterproof galilean loupes
http://www.optical-world.com/optical-loupes-flip-up-waterproof-galilean-loupes_c9

Flip up waterproof galilean loupes + LED Light
http://www.optical-world.com/optical-loupes-headlight-h60-flip-up-waterproof-loupes_c16

what is working distance? how to measure WD?

the workig distance is one of the important data for the loupes. the working distace is the distance form the loupes user's eyes to patient mouth or the objects

working distance for dental loupes surgical loupes

How do I measure my working distance?
(the distance form your eyes to the objects when you working )
While many things such as height, and personal preference should be considered, the easiest way to figure your working distance is to:

Step 1- measure the distance from between your eyes and the area you want to focus on (a mouth, an eye, etc), while sitting or standing in the correct ergonomic position, (back straight and arms perpendicular to the floor].
Step 2- Subtract 1.5" (the distance from your eye to end of the Loupe

That number is your working distance:
Short       (10"-13")    340mm
Regular    (14"-18")   420mm
Long        (17"-21")    500mm
X Long     (22"-27")   550mm

just need chose the closer one to your real working distance. becaue all the loupes has depth of view. for examples. the loupes working disatnce is 420mm. the real working distance is the range is :380mm-460mm. .

what is pupil distance for TTL loupes, How to measure it?

all the flip up style denta loupes surgical loupes, the pupil distance is full adjustable. but for the TTL dental loupes surgical loupes, that is custom made loupes, when you order TTL style loupes, should supply the pupil distance.

what is pupil distance? how to measure PD?

Pupil distance (PD), that is the distance of two pupils. near Pupil distance is the distance when you looking down (looking the near objects when you Do operation or work), Far pupil distance is the pupil distance when you looking straight. TTL loupes need near pupil distance. if you don't know your near pupil distance. How to measure the near pupil distance for TTL loupes?
1. The best way is to go to a nearby optical lab meaure it.
if you want to a 420mm working distance, just need them measure your near pupil distance at 420mm distance.
2. the fast and easy way to measure the Pupil dsitance:
first step: decide the workng dsitance you want to order.
second step: looking the objects (looking down as your working distance) far away from your eyes with the working distance,and attthe same time need your friend measuring the pupil dsitance (the distance of the two pupils).
above step is a easy and good way to measure the near pupil disatnce.
3. if you know you far pupil distance (the pupil distance when you looking straight). also can tell us your far pupil distance data. when you order leave message is ok). we will get to know your near pupil distance.

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Pupilillary Distance (PD) or interpupillary distance (IPD) is the distance (the industry standard is to measure in millimeters) between the centers of the pupils in each eye. This measurement is used when preparing to make prescription eyeglasses. Positioning lenses correctly in relation to the centre of the pupils is especially important for higher powered lenses due to the location of the optical centre of the lenses. It can also be relevant to binoculars : they must be adjusted to suit the user's IPD; and the minimum allowed by some binoculars is still too great for people with a small IPD.
Someone with training in the field of optics can accurately measure your pupillary distance, or you can make an approximate measurement yourself using a ruler, with someone's assistance or a mirror. The measurement will usually be taken twice:
1st with the patient focusing at a distance, and 2nd with the patient focusing at something close. The second measurement is used for reading glasses, and bifocals however the rule of thumb is that the so-called "near PD" will be 4 millimeters less than the "far PD" when the far PD is over 60mm, or 3 millimetres less than the far PD when the far PD is undre 60mm. It is recommended, due to accuracy, to measure the PD with a pupilometre , however some practitioners take preliminary measurements with a millimeter ruler placed across the bridge of the nose.
Note: Regarding the TTL loupes or TTL combine Flip Up loupes, the pupil duistacne is need IPD (near pupil distance). and the prescription lens need far Pupil distance. if you have your own far pupil distance,just need reduce 3mm (pupil distace is less than 60mm) or 4 mm (if your Pipil distace is over 60mm) , you can get your near pupil distance.
PD is the distance between the centre of one pupil to the centre of the other pupil. Prescription glasses are made so that the distance between the optical centres of the glasses' lenses, is the same as your PD. PD varies from person to person but once you are an adult, your PD does not change. Therefore, as an adult, if you have had it measured, then it will still be the same, even if your spectacle prescription has changed. Once you know your PD, you do not need to measure it every time you buy prescription glasses.
PD is measured either during the eye test or when prescription glasses are ordered. Obviously we cannot measure your PD over the internet, so it is best to make sure your PD is included in your glasses prescription.
If your prescription does not contain your PD:

Ask to have it measured at an optical shop ?some may charge a fee.
Contact an optical shop where you have previously purchased prescription glasses. Your PD has been measured if you have ever had prescription glasses made up.
Your previous optometrist may have a record of your PD.
Alternatively, try measuring your own Pupillary Distance as explained below. (Note: Measuring your own PD may not be as accurate as having a trained person do it. If your head or the ruler moves during the measurement then the reading will be inaccurate)

The higher the lens power in the glasses prescription, the more important it is to use an accurate PD. These procedures may not work for everyone. We recommend that you obtain a professional measurement of PD whenever possible.

Measuring your own PD (Pupillary Distance):

TIP: This should be done with glasses off, if the numbers on a ruler are difficult to see, then a magnifying mirror may help.
1. Whilst looking into a mirror hold a ruler against the bridge of the nose with one hand.
2. Close your left eye, and line the '0' up with the centre of the pupil of your right eye as shown in the diagram.

3. Without moving your head or the ruler open the left eye and close the right eye. Read the number that lines up with the centre of the pupil of the left eye. This number represents your Distance PD in millimetres. You have just used this technique to measure your distance PD.

4. Repeat this whole process at least 3 times to try and get a consistent measurement in millimetres. Make sure your head and the ruler do not move after lining up the zero on the ruler until you take the reading. This procedure may be difficult if one eye has very poor vision compared to the other eye.
how to get your near pupil distance? the near PD normall less 3mm or 4mm than PD
e.g. Distance PD = 60
Near PD= 60 -3 = 57
Sometimes the centre of the pupil is difficult to see. Instead of lining up the ruler with the centre of the pupil, it is more precise to use the edge of the pupil as shown at the bottom of the page; (be careful to use the inside edge of one pupil and the outside edge of the other pupil.)

Getting a Friend to Measure Your PD:
This technique uses a second person to measure your Pupillary Distance (PD).
1. Both of you should be sitting down approximately 45cm apart. The person having their PD measured keeps both eyes open. When your friend is taking the measurement, they must keep one eye closed.

2. The ruler is held against the forehead as shown above. The person having the PD measured looks into the open eye of the person taking the measurement.
The ??is lined up with the centre of one pupil. Record the number lining up with the centre of the other pupil in millimetres. This is the measurement for the near PD? Neither person should move their head during this procedure. This procedure will not work if the person having their PD measured has a turned eye. You have just used this technique to measure your near PD.
if you get your near pupil distace , the far distance is add 3mm. (This rule is accurate for most people).
Eg Near PD= 57
Distance PD= 57 + 3= 60

Instead of using the centre of the pupils, you can use the edge of the pupils as shown below. (be careful to use inside edge of one pupil and outside edge of the other pupil.)

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