Maddox Rod Test- A Complete Tutorial
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- Опубликовано: 16 сен 2022
- #Maddoxrodtest #optometry
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Very much useful to find out strabismus thank you
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Thank you,
Samir Sutradhar.
But it is explained in Kanski the other way around if it’s is uncrossed the it’s exo
Sir in this test which eye that can we taken to test ,the eye we placing maddox rod or the white light fixating eye?
You can place Maddox rod in any eye.
▪️If you place Maddox Rod in fixating eye then you will compare white light with red line.
▪️If you place Maddox Rod in Deviated eye then you will compare red line with white light.
Generally we place Maddox Rod in fixating Eye.
Excellent explanation ❤
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Thank You,
Samir Sutradhar.
Sir, can we use maddox tangent scale and measure amount of deviation. Is that used only in case of distant measurement?
Yeah, We can use Maddox Tangent Scale and measure amount of Deviations.
Maddox Tangent Scale is available for both distance and near.
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Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store.
Thank You,
Samir Sutradhar.
In case of esophoria or exophoria base out prism is used to correct deviation and for exophoria or exotropia ' base in' prism is used. Now my question is what is the power of that prism ?
That identify by Prism Bar Cover Test. In this test a Prism is placed with apex towards deviation then cover test is performed to check the movement of deviated eye. Prism is increased gradually till there is no movement or deviation is present. That gives the amount of Deviation.
Very good❤
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▪️Don't forget to download our App "Optometry Notes and MCQs ". It's available in Play Store.
Thank you,
Samir Sutradhar.
Sir ,my last question
If I'm placing maddox rod in right eye(deviated eye), patient response is vertical line is left side of the patient, so the interpretation is right exotropia. Is that correct?
Try to understand the mechanisms. We compare the image of deviated eye with fixating eye not patients side...
If you place the Maddox in deviated eye (right eye), that means red line is the image of deviated eye and point light source is the image of fixating eye (left eye).
Now, if patients response is "Red line is left to the point fixation that means right eye image shifted inward, so eye is deviated outward or exotropia.
So, you are right.
Thankyou sir
Hi sir,
You said that maddox rod is placed in front of fixating eye.
ie., here fixating eye is normal eye ( not deviated eye) . Is that correct?
I'm getting confused..
You can place Maddox rod in any eye.
▪️If you place Maddox Rod in fixating eye then you will compare white light with red line.
▪️If you place Maddox Rod in Deviated eye then you will compare red line with white light.
Generally we place Maddox Rod in fixating Eye.
@optometry-with-samir Thankyou sir, i got it.
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Stay with us and share with your friends.
Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store.
Thank You,
Samir Sutradhar.
Thanks very usefull
Stay with us and share with your friends.
Don't forget to download our app "Optometry Notes & MCQs". It's available in Google Play Store.
Thank You,
Samir Sutradhar.
But I think in kanski it is explained the other way around. If it’s uncrossed then it’s exo
It's Opposite, if eye goes in image will shift out and vice versa.
Please go through Cylopean Eye to understand the mechanism. You can this video: ruclips.net/video/6mQUi6qvhSI/видео.html
Thank you,
Samir Sutradhar
Yes ur right... Exo and eso should b reversed..also hyper and hypertropi
Why in hyperphoria image is formed below the light
Image formed opposite to the direction of deviation...
Watch this video about cyclopean eye to know why image formed opposite to the direction of deviation: ruclips.net/video/6mQUi6qvhSI/видео.htmlsi=-ciXJg2i9q8ty3cN
This is wrong while interpretting results.... Please checkk
There is no mistake. Correct yourself. If you still have any doubts you can explain your doubts here....
Watch this video (Cyclopean eye) to understand crossed and uncrossed diplopia.
Link: ruclips.net/video/6mQUi6qvhSI/видео.html
Not tropia...this will be phoria.please check your interoperation
In both phoria and tropia image will shift opposite direction of deviation. The difference is, in phoria patient may Fuse the red line and the white light source or reduce gap between red line and white light source with fusional effort where in tropia the gap between red line and white light will be constant.
So, it can be tropia or phoria both. You need to do cover test to confirm the diagnosis.
@@optometry-with-samirnice intelligent one
I think there is Something wrong with the interpretation
Please watch the videos few times to solve your confusion. Still if you won't understand then feel free email us at smartoptometrywithsamir@gmail.com
Or explain your doubts in the comment box.
Thank you,
Samir Sutradhar.
I think the vertikal deviation is the other way around
wrong
There is no mistake. Correct yourself. If you still have any doubts you can explain your doubts here....
Watch this video (Cyclopean eye) to understand crossed and uncrossed diplopia.
Link: ruclips.net/video/6mQUi6qvhSI/видео.html