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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
of either eye
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "of either eye" is correct and usable in written English.
It can be used in medical or anatomical contexts to refer to conditions, measurements, or observations related to one or both eyes. Example: "The patient reported experiencing blurred vision in the field of either eye."
✓ Grammatically correct
Science
Wiki
News & Media
Alternative expressions(5)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
9 human-written examples
There was no clear leakage seen on the macula of either eye.
Occlusion of either eye had a significant effect on initial orientation and homing performance.
Science
Visual stimuli presented in front of a bird at 0° in the binocular visual field also yielded no detectable neuronal activity upon stimulation of either eye (see also below).
Science
Blood was not collected again from the retroorbital plexus of either eye for at least 7 days, or from the heart unless the bleeding was terminal.
Science
As expected, 4-day MD did not significantly change the ODI or the response of either eye in adult animals housed in standard conditions.
Science
Instead these displayed varying types of binocular interaction, of which the most common form (n = 127/274) was a brisk increase in firing elicited by stimulation of either eye.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
Take the mascara brush and sweep it over your eyelashes the same amount of time on either eye.
Wiki
While the pre-laser peripheral vitreous condensations may have represented pre-existing intermediate uveitis, no cells, flare nor keratic precipitates in the anterior segment of the either eye, and the fundus of the contralateral eye were observed.
I had the chance to demo foveated rendering on an Oculus DK2 sporting a pair of Eyefluence sensors positioned on either eye, and the key thing is I didn't really notice anything, and that's awesome.
News & Media
On applying multiple logistic regression, the current use of spectacles was associated with older age, any level of education and history of surgery in either eye.
Posterior segment examination showed no signs of vitritis in either eye, but in the left eye there was a preexisting epiretinal membrane and new optic disc swelling (Fig. 1).
Expert writing Tips
Best practice
In medical reports, clearly specify which eye is being referred to when using "of either eye" to avoid ambiguity. If both eyes are involved, consider stating "of both eyes" for clarity.
Common error
Avoid using "of either eye" in contexts where visual perception is not relevant. For example, do not say "the success of either eye of the project"; instead, use "either aspect of the project" or "either approach to the project".
Source & Trust
80%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "of either eye" typically functions as a post-modifier, specifying the noun it modifies (e.g., 'leakage', 'response', 'stimulation') by indicating that the characteristic or action pertains to one eye or the other. As supported by Ludwig, this prepositional phrase adds detail about which eye is involved.
Frequent in
Science
70%
Wiki
15%
News & Media
15%
Less common in
Encyclopedias
0%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "of either eye" is a grammatically correct and acceptably common prepositional phrase primarily used in formal and scientific contexts. According to Ludwig, it functions as a post-modifier to specify that a characteristic or action pertains to one eye or the other, aiming to reduce ambiguity in visual assessments and medical reports. While versatile, it is essential to ensure its usage aligns with scenarios involving visual perception and avoid using it metaphorically in non-visual contexts. Alternatives like "in either eye" may offer subtle nuances in meaning and can be used depending on the specific context. While this phrase is used in various sources, the context is mainly related to the field of science.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in either eye
Replaces "of" with "in", slightly altering the prepositional relationship but maintaining the core meaning.
to either eye
Changes the preposition to indicate direction or application towards either eye.
in one or both eyes
Expands on "either" to explicitly include the possibility of both eyes being affected.
affecting either eye
Focuses on the action of affecting rather than the state of being.
concerning either eye
Replaces "of" with a preposition suggesting subject matter.
regarding either eye
Similar to "concerning", indicating the topic of discussion.
related to either eye
Emphasizes the connection or association with either eye.
for each eye
Focuses on individual eye assessment or treatment.
for both eyes
Indicates that something applies to both eyes, not just one.
with respect to each eye
A more formal way of specifying consideration of each eye separately.
FAQs
How can I rephrase "of either eye" to be more specific?
To be more specific, you can use alternatives like "in either eye", or if referring to both eyes, "of both eyes". The best choice depends on the context of your sentence.
Is it grammatically correct to say "of the either eye"?
No, it is not grammatically correct. The correct phrasing is "of either eye" or "of either of the eyes".
When should I use "of either eye" versus "in either eye"?
The choice between "of either eye" and "in either eye" depends on the context. "Of either eye" often refers to a characteristic or examination result, while "in either eye" might refer to a location or condition. For instance, you might say "the pressure of either eye" or "inflammation in either eye".
What are some common conditions described using the phrase "of either eye"?
The phrase "of either eye" is often used when discussing conditions like glaucoma (pressure /s/of+the+eye), infections (inflammation /s/in+the+eye), or visual acuity issues (/s/visual+acuity). These conditions can affect one or both eyes.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.3/5
Expert rating
Real-world application tested