[et_pb_section fb_built=”1″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_row _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.22.2″ _module_preset=”default” custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n
Three (3) minutes average for a complete vision screening by experienced personnel.<\/span><\/p>\n The visual acuity test is used to determine the smallest letters the child can read on a standardized chart (Snellen chart) or a card held 20 feet (6 meters) away. Special charts are used when testing at distances shorter than 20 feet (6 meters). The chart is calibrated from very large letters to smaller representing the visual acuity for the test subject on a 20-foot equivalent.<\/span><\/p>\n Eye test – acuity; Vision test – acuity<\/span><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/dev.lionseyesresearch.com\/wp-content\/uploads\/2023\/09\/Eye-Chart-and-Child-Covering-Eye-Wide.jpeg” title_text=”Eye Chart and Child Covering Eye – Wide” _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.22.2″ _module_preset=”default” custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n This test may be done in a health care provider’s office, a school, workplace, or elsewhere.<\/span><\/p>\n The child\u00a0 will be asked to remove glasses or contact lenses and stand or sit 20 feet (6 meters) from the eye chart, with both eyes open.<\/span><\/p>\n The child will be asked to cover one eye with the palm of the hand, a piece of paper, or a small paddle while reading out loud \u00a0progressing from the largest letters to the smallest line of letters which can be seen on the chart. Numbers, lines, or pictures are used for people who cannot read, especially very young children.<\/span><\/p>\n If the child is not sure of the letter, they may guess. This test is done on each eye, and one at a time. If needed, it is repeated while the child wears glasses or contacts. \u00a0<\/span><\/p>\n The visual acuity is determined by the line with the smallest letters the child can correctly identify. \u00a0A child is referred if the smallest line which is read is out of range for age-appropriate acuity.<\/span><\/p>\n <\/a> [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.22.2″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_text _builder_version=”4.20.0″ background_size=”initial” background_position=”top_left” background_repeat=”repeat” custom_padding=”||0px|||” global_colors_info=”{}”]<\/p>\n <\/p>\n Thirty second (30 second) average for a complete screening<\/span><\/p>\n Autorefractor<\/span><\/p>\n The photo refractor is an automatic screening device no feedback is required from the child.<\/span><\/p>\n 1. The screener verifies the child\u2019s name in the photorefractor.<\/span> The items the photorefractor measures are:<\/span><\/p>\n \u2022 nearsightedness<\/span> The same screening may be performed if the child is wearing contacts or glasses and will determine if any additional visual correction is required<\/span><\/p>\n [\/et_pb_text][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/dev.lionseyesresearch.com\/wp-content\/uploads\/2023\/09\/Exam-by-Photorefractor.png” title_text=”Exam by Photorefractor” _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n [\/et_pb_text][et_pb_video src=”https:\/\/youtube.com\/shorts\/Piz95yIMcp8?feature=share” _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_video][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” hover_enabled=”0″ sticky_enabled=”0″]<\/p>\n [\/et_pb_text][et_pb_video src=”https:\/\/youtu.be\/6Zyz6sKCZp4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_video][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”] <\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n These are examples of a referral from two photorefractor manufacturer:<\/span><\/p>\n [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”http:\/\/dev.lionseyesresearch.com\/wp-content\/uploads\/2022\/09\/Welch-Allyn-vision-screening-summary-Lions-EYES.png” alt=”Welch Allyn vision-screening-summary” title_text=”Welch-Allyn-vision-screening-summary-Lions-EYES” _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.20.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/dev.lionseyesresearch.com\/wp-content\/uploads\/2022\/09\/PlusOptix-vision-screening-report-Lions-EYES-1.png” alt=”Welch Allyn vision-screening-summary” title_text=”PlusOptix-vision-screening-report-Lions-EYES” _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":" Vision Screening Processes: Acuity Chart vs PhotorefractorTraditional Screening: Acuity Chart Three (3) minutes average for a complete vision screening by experienced personnel. The visual acuity test is used to determine […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":23,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"Alternative Names<\/strong><\/span><\/h3>\n
How the traditional screening is performed<\/strong><\/span><\/h3>\n
The person administering the vision screening must watch carefully observing the child\u2019s behavior while validating the responses from the child.\u00a0 A child can be referred if they are peeking around the eye that is covered, looking sideways, or squinting etc.\u00a0 Eye misalignment problems can only be detected when the child is using both eyes and unless one eye displays a significant misalignment it may not be detected. \u00a0<\/span><\/p>\nPhotorefractor<\/strong><\/span><\/h2>\n
Alternative Names<\/strong><\/span><\/h3>\n
How the screening is performed <\/strong><\/span><\/h3>\n
2. The child sits in a chair (or stands) approximately 1 meter from the person holding photorefractor,<\/span>
3. The child is instructed to look at the camera-like device (photorefractor).<\/span>
4. Holding the photorefractor at eye height the screener identifies the child\u2019s eyes in the viewing screen. When the child is in range and is in focus, the capture process is underway usually 1-3 seconds.<\/span>
5. The photorefractor automatically captures the reading of both child\u2019s eyes (binocularly).<\/span>
6. The Photorefractor immediately indicates if the child passed or failed an age-appropriate screening.<\/span>
7. A child is referred when one or more of the eight items the refractor measures is out range for the age-appropriate measurements.<\/span><\/p>\n
\u2022 farsightedness<\/span>
\u2022 unequal power<\/span>
\u2022 astigmatism (irregular shape of the cornea, or curvature of the lens)<\/span>
\u2022 amblyopia (lazy eye)<\/span>
\u2022 strabismus (crossed eyes)<\/span>
\u2022 anisometropia (a comparative analysis for unequal refractive power)<\/span>
\u2022 anisocoria (unequal pupil size)<\/span><\/p>\nScreening with Photorefractor<\/h2>\n
Traditional Screening with Acuity Chart<\/h2>\n
\n\n
\n \nCapability<\/th>\n Acuity Chart<\/th>\n Photorefractor<\/th>\n<\/tr>\n<\/thead>\n \n Results<\/td>\n 3 Minutes<\/td>\n <15 Seconds<\/td>\n<\/tr>\n \n Identifies Near-Sightedness (Myopia)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Identifies Far-Sightedness (Hyperopia)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Identifies Unequal Refractive Power (Anisometropia)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Identifies Blurred Vision, Eye Structure Problem (Aniscordia)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Identifies Eye Misalignment (Strabismus)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Testing Calibrated to Child’s Age<\/td>\n X<\/td>\n X<\/td>\n<\/tr>\n \n Does not require feedback from subject (requiring language, cultural, and verbal skills)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Can be administered by anyone (minimal training required)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Objective process (computerized system with no human intervention)<\/td>\n <\/td>\n X<\/td>\n<\/tr>\n \n Subjective Process (manually administered by skilled professional)<\/td>\n X<\/td>\n <\/td>\n<\/tr>\n \n Documentation of Vision Screening and Referral<\/td>\n Manual<\/td>\n Automatic<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Vision Screening Processes: Acuity Chart vs Photorefractor<\/strong><\/span><\/h1>\n
Acuity Chart<\/strong><\/span><\/h2>\nThree (3) minutes average for a complete vision screening by experienced personnel.<\/span>\n\nThree (3) minutes average for a complete vision screening by experienced personnel.\n\nThe visual acuity test is used to determine the smallest letters the child can read on a standardized chart (Snellen chart) or a card held 20 feet (6 meters) away. Special charts are used when testing at distances shorter than 20 feet (6 meters). The chart is calibrated from very large letters to smaller representing the visual acuity for the test subject on a 20-foot equivalent.\n
Alternative Names<\/strong><\/span><\/h3>\nEye test - acuity; Vision test - acuity<\/span>\n
How the traditional screening is performed<\/strong><\/span><\/h3>\nThis test may be done in a health care provider's office, a school, workplace, or elsewhere.<\/span>\n\nThe child\u00a0 will be asked to remove glasses or contact lenses and stand or sit 20 feet (6 meters) from the eye chart, with both eyes open.<\/span>\n\nThe child will be asked to cover one eye with the palm of the hand, a piece of paper, or a small paddle while reading out loud \u00a0progressing from the largest letters to the smallest line of letters which can be seen on the chart. Numbers, lines, or pictures are used for people who cannot read, especially very young children.<\/span>\n\nIf the child is not sure of the letter, they may guess. This test is done on each eye, and one at a time. If needed, it is repeated while the child wears glasses or contacts. \u00a0<\/span>\n\nThe visual acuity is determined by the line with the smallest letters the child can correctly identify. \u00a0A child is referred if the smallest line which is read is out of range for age-appropriate acuity.<\/span>\n\n<\/a>\nThe person administering the vision screening must watch carefully observing the child\u2019s behavior while validating the responses from the child.\u00a0 A child can be referred if they are peeking around the eye that is covered, looking sideways, or squinting etc.\u00a0 Eye misalignment problems can only be detected when the child is using both eyes and unless one eye displays a significant misalignment it may not be detected. \u00a0<\/span>\n
Photorefractor<\/strong><\/span><\/h2>\nThirty second (30 second) average for a complete screening<\/span>\n
Alternative Names<\/strong><\/span><\/h3>\nAutorefractor<\/span>\n
How the screening is performed <\/strong><\/span><\/h3>\nThe photo refractor is an automatic screening device no feedback is required from the child.<\/span>\n\n1. The screener verifies the child\u2019s name in the photorefractor.<\/span>\n2. The child sits in a chair (or stands) approximately 1 meter from the person holding photorefractor,<\/span>\n3. The child is instructed to look at the camera-like device (photorefractor).<\/span>\n4. Holding the photorefractor at eye height the screener identifies the child\u2019s eyes in the viewing screen. When the child is in range and is in focus, the capture process is underway usually 1-3 seconds.<\/span>\n5. The photorefractor automatically captures the reading of both child\u2019s eyes (binocularly).<\/span>\n6. The Photorefractor immediately indicates if the child passed or failed an age-appropriate screening.<\/span>\n7. A child is referred when one or more of the eight items the refractor measures is out range for the age-appropriate measurements.<\/span>\n\nThe items the photorefractor measures are:<\/span>\n\n\u2022 nearsightedness<\/span>\n\u2022 farsightedness<\/span>\n\u2022 unequal power<\/span>\n\u2022 astigmatism (irregular shape of the cornea, or curvature of the lens)<\/span>\n\u2022 amblyopia (lazy eye)<\/span>\n\u2022 strabismus (crossed eyes)<\/span>\n\u2022 anisometropia (a comparative analysis for unequal refractive power)<\/span>\n\u2022 anisocoria (unequal pupil size)<\/span>\n\nThe same screening may be performed if the child is wearing contacts or glasses and will determine if any additional visual correction is required.<\/span>\n\nThese are examples of a referral from two photorefractor manufacturer:<\/span>","_et_gb_content_width":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4147","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/pages\/4147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4147"}],"version-history":[{"count":5,"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/pages\/4147\/revisions"}],"predecessor-version":[{"id":4699,"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/pages\/4147\/revisions\/4699"}],"up":[{"embeddable":true,"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=\/wp\/v2\/pages\/23"}],"wp:attachment":[{"href":"https:\/\/lionseyesresearch.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}