mr_rules:
You seem to be a prime example of what happens when players take dominant eye theory literally, thinking it makes good sense and attempt to apply it. In your case you changed the set-up you developed as a youngster and which had became natural to you. Believe me, there are not a large number of players who achieved what you have when you were sighting with your non-dominant eye..
This string became sort of, let's say, a lively discussion on the merits of dominant eye sighting, sometimes I think mistakenly called preferred eye. As I was uncomfortable with the dominant eye sighting theory based on observations of the pros I did some research and discovered some interesting facts based on scientific studies primarily performed in the States. It turns out most males over 18yrs or so have a dominant eye and in 70% of those males the dominant eye is the one on the dominant hand side.
They did a study of baseball and cricket players, who are forced to stand sideways to the pitch and therefore have to sight the incoming ball with their non-dominant eye. The study found no degradation in accuracy using the opposite eye. They came to the conclusion the non-dominant eye (really the brain) can be trained to become what I call the 'preferred sighting eye'.
In your case, at 14yrs it was unlikely you had a dominant eye and you trained your brain to accept the image from your left eye to sight along the cue. You also most likely had your head turned slightly to the right to align the cue with the eyes where you saw the most accurate image when sighting. This set-up became natural to you and you reached a very high standard, but then decided (I'm assuming here) that if the dominant eye theory was accurate then you would see improvement by realigning the cue more underneath your now dominant right eye.
This realignment of the cue to the eyes forced you to change your set-up from what you had developed naturally as a youngster and has apparently led to some problems for you.
My strong recommendation would be for you to see if you can get your hands on a SightRite device (or make one for yourself) and using it get down into the set-up you had where you were using the left eye and see if you can see a solid and unbroken line out of your left eye. It might be necessary for you to turn your head to the right a bit but at some point you should see that solid and unbroken line and that will be your ideal head position. This position may not place the cue directly under the left eye but will most likely favour it to a degree (I'm right eye dominant but sight with the left and my cue is about 1/4" closer to the left eye and I do turn my head slightly to the right but more to ease the strain on my upper spine and lower neck (I'm 68yrs old so not as flexible as I was).
As this string was quite a discussion you might get some answers which are different from mine so then it will be up to you to experiment and find the one that works best for you. However, I think if you get back to your natural set-up and can see a solid and unbroken line on the SightRite then that is the way you should go.
Terry
You seem to be a prime example of what happens when players take dominant eye theory literally, thinking it makes good sense and attempt to apply it. In your case you changed the set-up you developed as a youngster and which had became natural to you. Believe me, there are not a large number of players who achieved what you have when you were sighting with your non-dominant eye..
This string became sort of, let's say, a lively discussion on the merits of dominant eye sighting, sometimes I think mistakenly called preferred eye. As I was uncomfortable with the dominant eye sighting theory based on observations of the pros I did some research and discovered some interesting facts based on scientific studies primarily performed in the States. It turns out most males over 18yrs or so have a dominant eye and in 70% of those males the dominant eye is the one on the dominant hand side.
They did a study of baseball and cricket players, who are forced to stand sideways to the pitch and therefore have to sight the incoming ball with their non-dominant eye. The study found no degradation in accuracy using the opposite eye. They came to the conclusion the non-dominant eye (really the brain) can be trained to become what I call the 'preferred sighting eye'.
In your case, at 14yrs it was unlikely you had a dominant eye and you trained your brain to accept the image from your left eye to sight along the cue. You also most likely had your head turned slightly to the right to align the cue with the eyes where you saw the most accurate image when sighting. This set-up became natural to you and you reached a very high standard, but then decided (I'm assuming here) that if the dominant eye theory was accurate then you would see improvement by realigning the cue more underneath your now dominant right eye.
This realignment of the cue to the eyes forced you to change your set-up from what you had developed naturally as a youngster and has apparently led to some problems for you.
My strong recommendation would be for you to see if you can get your hands on a SightRite device (or make one for yourself) and using it get down into the set-up you had where you were using the left eye and see if you can see a solid and unbroken line out of your left eye. It might be necessary for you to turn your head to the right a bit but at some point you should see that solid and unbroken line and that will be your ideal head position. This position may not place the cue directly under the left eye but will most likely favour it to a degree (I'm right eye dominant but sight with the left and my cue is about 1/4" closer to the left eye and I do turn my head slightly to the right but more to ease the strain on my upper spine and lower neck (I'm 68yrs old so not as flexible as I was).
As this string was quite a discussion you might get some answers which are different from mine so then it will be up to you to experiment and find the one that works best for you. However, I think if you get back to your natural set-up and can see a solid and unbroken line on the SightRite then that is the way you should go.
Terry
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