{"id":3233,"date":"2023-01-09T10:13:13","date_gmt":"2023-01-09T10:13:13","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3233"},"modified":"2025-01-01T03:48:22","modified_gmt":"2025-01-01T03:48:22","slug":"s-11-b-defects-of-vision-and-their-correction","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-11-b-defects-of-vision-and-their-correction\/","title":{"rendered":"s-11.b Defects Of Vision And Their Correction"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Defects Of Vision And Their Correction<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-f79afd6ea8b322268468366b8e5f7cc7\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-1132e305fed16a0ef89e802379ff2975\" style=\"color:#000060;background-color:#dfc816\"><strong>Vision and the Eye:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vision is the ability to see and interpret the surrounding world, and it relies on the proper functioning of the eye.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1-1024x640.png\" alt=\"\" class=\"wp-image-16923\" style=\"width:424px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-81-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>The human eye is a complex organ that plays a crucial role in the process of vision.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-d997b4cbae1e313e86faa99cf764fba5\" style=\"color:#000060;background-color:#dfc816\"><strong>Common Vision Defects:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>There are three common vision defects: myopia (nearsightedness), hyperopia (farsightedness), and astigmatism.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2-1024x640.png\" alt=\"\" class=\"wp-image-16925\" style=\"width:474px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-72-2.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Myopia: In myopia, distant objects appear blurry while close objects are clear. It&#8217;s caused by the elongation of the eyeball.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2-1024x640.png\" alt=\"\" class=\"wp-image-16926\" style=\"width:436px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-73-2.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Hyperopia: Hyperopia causes close objects to appear blurry, while distant objects are clearer. It&#8217;s due to a shorter eyeball or flatter cornea.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2-1024x640.png\" alt=\"\" class=\"wp-image-16927\" style=\"width:464px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-74-2.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Astigmatism: Astigmatism results from an irregularly shaped cornea or lens, causing distorted and blurry vision.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-e0fa3b3fd96ceba1272d142bd3e86bd4\" style=\"color:#000060;background-color:#dfc816\"><strong>Corrective Lenses:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Eyeglasses and contact lenses are common methods to correct vision defects.<\/li>\n\n\n\n<li>Convex lenses are used to correct hyperopia (farsightedness).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1-1024x640.png\" alt=\"\" class=\"wp-image-16931\" style=\"width:436px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-82-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Concave lenses are used to correct myopia (nearsightedness).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1-1024x640.png\" alt=\"\" class=\"wp-image-16933\" style=\"width:442px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-83-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-176155a354d36d4f5133723c00c99764\" style=\"color:#000060;background-color:#dfc816\"><strong>Refraction of Light:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Refraction is the bending of light as it passes through different mediums. The cornea and lens in the eye refract light to focus it on the retina.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1-1024x640.png\" alt=\"\" class=\"wp-image-16936\" style=\"width:512px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-84-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-text-color has-background has-link-color wp-elements-d36986d15bdf5d644884f738ddb412ed\" style=\"color:#000060;background-color:#dfc816\"><strong>Role of Retina and Optic Nerve:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The retina is the innermost layer of the eye containing light-sensitive cells (rods and cones).<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1-1024x640.png\" alt=\"\" class=\"wp-image-16939\" style=\"width:504px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-85-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>The optic nerve carries visual signals from the retina to the brain for processing.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1-1024x640.png\" alt=\"\" class=\"wp-image-16941\" style=\"width:478px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-86-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong> LASIK Surgery:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LASIK (Laser-Assisted In Situ Keratomileusis) is a surgical procedure to reshape the cornea and correct vision defects.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1-1024x640.png\" alt=\"\" class=\"wp-image-16943\" style=\"width:480px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-87-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>It&#8217;s often used to treat myopia, hyperopia, and astigmatism.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Cataracts and Their Correction:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cataracts are clouding of the eye&#8217;s natural lens, leading to blurry vision.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1-1024x640.png\" alt=\"\" class=\"wp-image-16945\" style=\"width:460px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-88-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Cataract surgery involves removing the cloudy lens and replacing it with an artificial lens.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Importance of Eye Care:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Regular eye check-ups are crucial for detecting and addressing vision problems early.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1-1024x640.png\" alt=\"\" class=\"wp-image-16947\" style=\"width:504px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-89-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Protecting the eyes from excessive UV exposure and maintaining a healthy lifestyle can prevent some vision issues.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Vision Health and Screen Time:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prolonged screen time on electronic devices can strain the eyes, leading to conditions like computer vision syndrome.<\/li>\n\n\n\n<li>Taking regular breaks and following the 20-20-20 rule (looking at something 20 feet away for 20 seconds every 20 minutes) can help reduce eye strain.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Conclusion:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vision is a vital sense, and defects can impact the quality of life.<\/li>\n\n\n\n<li>Understanding common vision defects and their correction methods is important for maintaining good eye health..<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/83070\/778\/209\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-44.png\" alt=\"\" class=\"wp-image-5574\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-44.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-44-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-44-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81512\/841\/740\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44.png\" alt=\"\" class=\"wp-image-5573\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-44-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Defects Of Vision And Their Correction Key Notes: Vision and the Eye: Common Vision Defects: Corrective Lenses: Refraction of Light: Role of Retina and Optic Nerve: LASIK Surgery: Cataracts and Their Correction: Importance of Eye Care: Vision Health and Screen Time: Conclusion: Let&#8217;s 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