What is Cataract SignsSymptoms, Causes, Treatment & Management

What is Cataract: Signs/Symptoms, Causes, Treatment & Management

Facebook
Telegram
WhatsApp
LinkedIn

Definition

  • A cataract is a disorder in which opacity (cloudiness) in the lens of the eye and degeneration of lens fibers, lead to blurred vision.
  • A cataract occurs due to hydration, denaturation of lens protein, and sclerosis.
  • A cataract is the most common cause of blindness.

Cataract classification

  1. According to etiology  

  1. Acquired cataract

  • Acquired cataracts commonly occur.
  •  Acquired cataract are
    • Senile cataract
    • Metabolic cataract
    • Complicated cataract
    • Traumatic cataract
    • Cataracts

      associated with skin disease

    • Drug Induced cataract
    • Cataract with miscellaneous syndrome
    • Electric cataract.
  1. Developmental cataract  

  • Also known as the congenital cataract occurs due to disturbance in normal development of the lens.
  • Generally development cataracts occur in the infancy to adolescence, due to genetic disorders.

     2.   According to morphology

  1. Subcapsular cataract – anterior subcapsular cataract.
  • Posterior subcapsular cataract.
  1. Cortical cataract –

a cataract occurs due to wedge shape or radial spoke like opacities of lens.

  • Occur outer edge of the lenses.
  1. Nuclear cataract –

a cataract occurs in the center of the lens.

  • Yellow to Brown coloration.

Causes of Cataract

Cataract
Cataract
  • Hereditary
  • Family history
  • Age factors
  • Malnutrition during pregnancy
  • Radiation exposure
  • Excessive use of corticosteroids
  • Down syndrome
  • Skeletal syndrome
  • Chromosome abnormality
  • Birth trauma
  • Infection
  • Diabetes mellitus
  • Trauma
  • Marfan syndrome
  • Previous ocular surgery
  • Wilson disease.

Pathophysiology of Cataract

Cause / Etiology

Traumatic damage the lens fibres

Rupture lens capsule

Hydration of lens fibers

Opacity of lens.

 

Signs/Symptoms of Cataract

Clinical manifestation of

Cataract Clinical manifestation

  • Cloudy vision
  • Blurred vision
  • Photophobia ( sensitive to light )
  • Double vision
  • Monocular diplopia
  • Glare
  • Distortion of lines
  • Reduce visual acuity
  • Dim red reflex
  • Poor vision at night
  • Decrease colour perception
  • White pupil.

Diagnostic examination of Cataract

  • History collection and physical examination.
  • Direct ophthalmoscope examination.
  • Snailing visual acuity test.
  • Slit lamp examination.
  • Tonometry.
  • Retinal examination.

Medical management of Cataract

  • Use glasses
  • Optical aids
  • Pupillary dilation
  • Topical steroids
  • Antibiotics drops
  • Steroid drops.

Surgical management of Cataract

  1. Intracapsular extraction – remove the whole lens and surround it.
  2. Extracapsular extraction – only cataract removal.
  3. Cryosurgery
  4. Phacoemulsification – emulsifying of the lens by a hollow needle vibrating and ultrasonic speed.

Complication – Blindness.

 

Nursing management

  • Nurses monitor patients’ visual acuity and vital signs.
  • Examine the complete morphology of lens opacity under slit lamp examination.
  • Examine the cornea to find out any opacity of the lens.
  • Monitor intraocular pressure (IOP).
  • Nurses also assess pupillary response.
  • The nurse performed the cover test.
  • Use a nursing barrier to prevent infection.
  • Nurses assist the client during any activity.
  • Provide instruction about cataract patient care and Management.
  • Nurses help to conduct diagnostic examinations.
  • Provide adequate medications and other required treatment.
  • Provide emotional and physiological support and reduce anxiety.
  • Prepare the client for surgical intervention.
  • Administer local anesthesia with sedation before surgery.
  • Nurse counseling to relieve patient anxiety.

 

What is the main cause of cataracts?

Hereditary
Family history
Age factors
Malnutrition during pregnancy
Radiation exposure
Excessive use of corticosteroids
Down syndrome
Skeletal syndrome
Chromosome abnormality
Birth trauma
Infection
Diabetes mellitus
Trauma

  • What is Bsc Nursing? Syllabus, Fees And Salary
    What is Bsc Nursing? Bsc nursing is a degree which is done after 12th. After doing Bsc Nursing, you can reduce to the post of Staff Nurse in the hospital. In today’s world, health care professionals play a vital role in the well-being of individuals and communities. To pursue a career in healthcareAmong the various …

    Read more

  • DAMS Handwritten Notes PDF Free Download
    In this post, missionnursing will walk through DAMS handwritten notes. These notes are by the Delhi Academy of Medical Sciences PVT.LTD. (DAMS). DAMS is an academy providing coaching to medical students in India. It has helped the students in the following areas. Like MD/MS Entrance Exam, MCI Screening, MDS Quest/NBDE, Medical-IAS, etc. DAMS Notes PDF …

    Read more

  • What is Normal and Abnormal Puerperium, Maternal Care?
    Definition of Normal Puerperium Puerperium is Defined as the period following childbirth till 6 weeks. Puerperium is the period that follows the complete 3rd stage of labor and continues within 6weeks. The puerperium period involves the involution of the reproductive organs. Stages of Puerperium Immediate puerperium – Within 24 hours Early puerperium – Within 2nd -7th Days …

    Read more

  • Anatomy And Physiology Notes PDF For GNM 1st Year- 2024
    Anatomy And Physiology PDF Notes Free for GNM 1st Year- 2024 Notes for GNM and ANM Students GNM 3 yrs Curse students. GNM Notes are helpful for all GNM, ANM, Post BSC Nursing, B.Sc Nursing, and Other Medical Students. In These Anatomy And Physiology PDF Notes Free For GNM 1st Year- 2024 Notes include Topic …

    Read more

  • Aiims previous year question papers with solutions pdf
    All India Institute of Medical Sciences, popularly known as AIIMS, is the most prestigious medical institute in India country. AIIMS offers various degrees in medicine dentistry and many other subjects. All India Institute of Medical Sciences (AIIMS) offers many courses like MBBS, DM/M.Ch, Fellowship Programme, MD, B.Sc Nursing, M.Sc Nursing, and others. Qualifying for the …

    Read more

  • B.Sc Nursing Entrance Exam 2023-24
    B.Sc Nursing Admission 2023-24 To take admission in B.Sc Nursing the Bachelor of Science in Nursing course. Those candidates must have completed 4 years bachelor’s degree from any subject university. Universities select candidates through entrance examinations. The Common Entrance Test starts from April to June. Application forms can be submitted online and offline at the …

    Read more

  • What are P2P Communities? : A Path to Connection and Collaboration
    What are P2P Communities? In the digital age, where technology bridges distances and promotes connectivity across the globe, the concept of peer-to-peer (P2P) communities has emerged as a powerful force promoting collaboration, knowledge-sharing and collective empowerment. Is. P2P communities are reshaping the way we communicate, learn and work together, cutting across geographic boundaries and hierarchical …

    Read more

  • Bio medical waste management
    biomedical waste management Hospital biomedical waste is waste that is generated from the medical, surgical, laboratory etc facilities. Hospital waste is capable of causing infectious diseases, so hospital waste management is essential. Hospital waste management means – using various techniques to manage hospitalized waste material to prevent the spread of disease through. eg:- some diseases …

    Read more

  • Arthritis: Causes, Symptoms, Treatments & Home Remedies
    Arthritis: Causes, Symptoms, and Treatments What is Arthritis / Gathiya? Arthritis is a common form of arthritis. Arthritis is an inflammation of the joints. Arthritis is a degenerative joint disorder characterized by degeneration of articular cartilage. Generally, arthritis affects weight-bearing joints, large joints, and central joints. Usually, the effect of arthritis is more in older …

    Read more

  • Biology handwritten Hindi NEET Notes
    handwritten Biology NEET Notes In the competitive world of NEET, having well-structured Biology notes pdf is a game-changer. They not only streamline your preparation process, but they also enable you to understand complex concepts and effectively remember information during the exam. Remember that making a Comprehensive handwritten Biology NEET Notes pdf is a gradual process, …

    Read more

  • B Pharma Notes pdf Free Download
    Essential B Pharm Notes for Success B Pharm Notes A Bachelor of Pharmacy (B.Pharma) degree is a step towards a rewarding career in the pharmaceutical industry. Throughout the journey of B.Pharma, students come across a wide range of subjects ranging from medicinal chemistry to pharmacology. To excel in this dynamic field, it is important to …

    Read more

  • Handwritten NEET Notes Physics Chemistry & Biology
    How to mack Handwritten NEET Notes Handwritten NEET Notes for NEET 2024 Exams. Preparing for the National Eligibility cum Entrance Test (NEET) is an exciting yet demanding journey for aspiring medical students in India. Keeping in mind the tough competition and vast syllabus, effective study techniques are important. Out of these, the art of making …

    Read more

  • how to get admission in AIIMS for Bsc nursing?
    AIIMS BSc Nursing Eligibility:- As per the AIIMS of AIIMS for admission in AIIMS Bsc nursing, the admission process is open for candidates who have completed their 12th class from the science stream from any recognized examination board. Applicants must have at least 55% marks in their class 12th exam to apply for the admission …

    Read more

  • Stool Sample Collection Technique and Instruction
    Human faeces are called the stool. Meconium is a newborn first stool. Stool sample collection is a procedure in which stool should be collected in a dry or sterilized wide-mouthed container to identify the pathological condition. Stool sample collection methods require universal precautions. Commonly morning samples should be collected. Patients avoid antibiotic therapy and iron …

    Read more

  • Rajasthan Nursing Officer Recruitment 2023 Post-1400
    Rajasthan Nursing Officer Recruitment 2023 Post-1400 राजस्थान नर्सिंग ऑफिसर के 1400 पदों पर भर्ती कि पूरी जानकारी  Rajasthan Nursing Officer Recruitment 2023 राजस्थान नर्सिंग ऑफिसर के 1400 पदों पर निकली भर्ती, आवेदन  10 जुलाई  से शुरू: Rajasthan Nursing Officer Vacancy 2023 Online Application form राज्य स्वास्थ्य एवं परिवार कल्याण संस्थान, जयपुर द्वारा नर्सिंग ऑफिसर के पदों पर …

    Read more

WhatsApp Group Join Now
Telegram Group Join Now

Leave a Comment

Trending Results

Download Nursing Study Notes In PDF