When assessing a patients eyes for accommodation what actions would the nurse perform?

Caring for patients’ eyes is an essential nursing skill. Nurses need to be able to carry out a baseline assessment of the eye and vision and deliver essential care including eye cleansing

Abstract
Eyes should be assessed as part of a holistic patient assessment and eye care is an essential part of daily personal care. This article outlines the principles of eye assessment and the procedure for eye cleansing.

Citation: Gwenhure T, Shepherd E (2019) Principles and procedure for eye assessment and cleansing. Nursing Times [online]; 115: 12, 18-20.

Authors: Tendai Gwenhure is clinical educator, Moorfields Eye Hospital NHS Foundation Trust; Eileen Shepherd is clinical editor, Nursing Times.
This article has been double-blind peer reviewed
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Nursing assessment and assessment of eye

• Report

examination of eye, Examination by ophthalmoscope,
assessment of the functions of eye, . PUPILLARY RESPONSE, FUNCTIONAL EXAMINATION, test for Focusing power, confrontation test, Colour sense test and visual acuity testing procedure etc

examination of eye, Examination by ophthalmoscope,
assessment of the functions of eye, . PUPILLARY RESPONSE, FUNCTIONAL EXAMINATION, test for Focusing power, confrontation test, Colour sense test and visual acuity testing procedure etc

Recommended

When assessing for "Accommodation," ask the patient to focus their eyes on a distant object, then to a near object. The pupils should constrict when focusing on the near object!

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Section II. ASSESSMENT

1-7. EXAMINATION OF THE EYE

An examination of the eye includes an external examination, examination by ophthalmoscope, and an assessment of the functions of the eye.

a. External Examination. The anterior segment of the eyes and their appendages can be examined by visual inspection.

(1) Note the general appearance of the eyelids, eyelashes, and lacrimal apparatus. Observe for:

(a) Redness around the eye.

(b) Discharge or crusting.

(c) Growths on eyes or eyelids.

(d) Excessive tearing.

(2) Position and mobility can be observed by having the patient rotate the eyes, looking up, down, and to each side.

b. Pupillary Response. Normal pupils are rounded, centrally placed, and generally equal in size. (About 25 percent of normal individuals have pupils slightly unequal in size.)

(1) Reaction to light. Seat the patient in an area with even lighting and instruct him to fix his gaze on a distant object. Cover one eye and shine a flashlight in front of the exposed eye. The pupil should contract (constrict) because of the light. This response is called a direct reaction. The covered pupil should also contract. This response is called a consensual reaction.

(2) Near point reaction. When the gaze is changed from a distant object to an object close at hand, the pupils should contract.

c. Ophthalmoscopic Examination. By looking through the various lenses of an ophthalmoscope, the trained examiner can view and assess the internal structures of the eye. This examination is routinely performed by the physician.

d. Functional Examinations.

(1) Focusing power (power of accommodation) is tested by placing a line of print close to the eye, then slowly moving it back to the point at which the patient is able to read it. The nearest point at which it is readable is the near point of accommodation.

(2) Visual field refers to all that can be seen with both eyes fixed straight ahead. To perform a gross examination of visual field, the confrontation method is used (figure. 1-3). Have the patient and the examiner face each other at a distance of about 2-3 feet, each focusing his gaze at the other's nose. The examiner should then extend his arm to the side, point his finger, and slowly move his arm back in, along a plane half-way between himself and the patient. The examiner's finger should appear in the patient's visual field at the same time the examiner sees it (assuming the examiner's visual field is grossly normal).

Figure 1-3. Confrontation method.

(3) Color sense is tested by using specially designed color plates to distinguish reds, greens, and blues.

(4) Visual acuity testing is done with the Snellen chart or one of its modifications. Each eye is tested separately, both with and without glasses, if worn.

(a) Since the distance at which rays of light from an object are practically parallel and no accommodation of the lens is necessary to focus the object, the test is performed at a distance of 6 meters (20 feet),

(b) The Snellen chart contains rows of letters of varying sizes, arranged to that the normal eye can see them at distances of 6, 9, 12, 15, 21, 30, and 60 meters. (20, 30, 40, 50, 70, 100, and 200 feet.) If a patient is seated 6 meters (20 feet) from the chart and can read the line of letters for 6 meters, his vision is expressed by the fraction 6/6 (or 20/20).

(c) Vision is expressed by a fraction, the numerator denoting the distance at which the test was performed (normally, 6 meters or 20 feet), and the

</td> </font> </tr> </table> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"> <font size="2">denominator denoting the smallest line of letters which could be read at that distance. If a patient is seated 6 meters from the chart and the smallest line of letters he is able to read is the one that should be read at a distance of 30 meters, then his vision is expressed at 6/30 (or 20/100). </font> </span></p> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0">&nbsp; </p> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"> <font size="2">(d) If the largest letters on the chart cannot be read at a distance of 6 meters, the patient is moved toward the chart until he can read the largest letters. Vision is then expressed as a fraction, with the numerator denoting the distance at which the largest line could be read, and the denominator denoting the number of the largest line. </font> </span></p> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0">&nbsp; </p> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"> <font size="2">(e) If the patient cannot read the largest line at a distance of one meter, the examiner tests the patient's ability to see hand motion in front of his face. If the patient cannot see the examiner's hand at a distance of one or two meters, he is tested for light perception. A light is flashed from different directions and the patient is asked from which direction the light appears and when it goes on and, it goes off. If the patient can do this, the examination is recorded as "light perception present". If no light perception is present, a person is technically blind.</font></span></p> </blockquote> </blockquote> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"> <font size="2">(5) These functional examinations are routinely performed by the physician or eye specialist. However, it is recommended that nursing personnel be knowledgeable of these examinations. To do so will facilitate identification of visual abnormalities. A gross examination using "field expedient techniques" can be performed when the proper equipment and personnel </font> </span></p> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"><font size="2">are not available. For example: </font> </span></p> <blockquote> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"> <font size="2">(a) Color sense can be observed by having the patient identify the color of objects around him. </font> </span></p> <p id="LinkTarget_831" style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0">&nbsp; </p> <p style="text-indent:0;margin-right:0;margin-top:0;margin-bottom:0"> <span style="font-family:'sans-serif';font-size:10.9pt;font-weight:normal;color:#000000;font-style:normal"> <font size="2">(b) Gross acuity can be tested by having the patient read signs posted on the walls. Use signs of different sizes and position the patient at varying distances. </font> </span></p> </blockquote> </td> <td style="border-style:none;border-width:medium" height="681" align="center" valign="top" width="177" rowspan="2"> <script type="text/javascript"> var ehs_site="ehs.pro.brks.nursing411"; var ehs_zone=""; var ehs_inter=1; var ehs_kw=""; var ehs_size="160x600"; var ehs_vpos="t"; var ehs_hpos="r"; var ehs_puid=""; var ehs_kv=ehs_kv || []; ehs_kv.push("iprof=md;"); ehs_kv.push("iprof=n;"); ehs_kv.push("ims1=o24;"); ehs_kv.push("ims2=f9;"); ehs_kv.push("ims3=e6;"); ehs_kv.push("rprof=null;"); ehs_kv.push("rms1=null;"); ehs_kv.push("rss1=null;"); var ehs_protocol=(document.location.protocol=="https:") ? "https://" : "http://"; var ehs_tagsrc=ehs_protocol+'ads.ehealthcaresolutions.com/uat/?'+ehs_site+';'+ehs_puid+';'+Math.random()*1e16; document.write('<scr'+'ipt type="text/javascript" src="'+ehs_tagsrc+'"></scr'+'ipt>');

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