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  2. Exotropia - Wikipedia

    en.wikipedia.org/wiki/Exotropia

    Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence of poor vision in one eye.

  3. Esotropia - Wikipedia

    en.wikipedia.org/wiki/Esotropia

    In a left esotropia, the left eye 'squints', and in a right esotropia the right eye 'squints'. In an alternating esotropia, the patient is able to alternate fixation between their right and left eye so that at one moment the right eye fixates and the left eye turns inward, and at the next the left eye fixates and the right turns inward. This ...

  4. List of systemic diseases with ocular manifestations - Wikipedia

    en.wikipedia.org/wiki/List_of_systemic_diseases...

    There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.

  5. Central serous chorioretinopathy - Wikipedia

    en.wikipedia.org/wiki/Central_serous_chorio...

    Central serous chorioretinopathy (CSC or CSCR), also known as central serous retinopathy (CSR), is an eye disease that causes visual impairment, often temporary, usually in one eye. [ 1 ] [ 2 ] When the disorder is active it is characterized by leakage of fluid under the retina that has a propensity to accumulate under the central macula.

  6. Pachychoroid disorders of the macula - Wikipedia

    en.wikipedia.org/wiki/Pachychoroid_disorders_of...

    Pachychoroid disorders of the macula represent a group of diseases affecting the central part of the retina of the eye, the macula. Due to thickening and congestion of the highly vascularized layer underneath the macula, the choroid, damage to the retinal pigment epithelium and the retinal photoreceptor cells ensues. This leads to impaired vision.

  7. Strabismus - Wikipedia

    en.wikipedia.org/wiki/Strabismus

    Strabismus is an eye disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3] If present during a large part of childhood, it may result in amblyopia, or lazy eyes, and loss of depth ...

  8. Miosis - Wikipedia

    en.wikipedia.org/wiki/Miosis

    Light entering the eye strikes three different photoreceptors in the retina: the familiar rods and cones used in image forming and the more newly discovered photosensitive ganglion cells. The ganglion cells give information about ambient light levels, and react sluggishly compared to the rods and cones.

  9. Seasonal hyperacute panuveitis - Wikipedia

    en.wikipedia.org/wiki/Seasonal_hyperacute_panuveitis

    Seasonal hyperacute panuveitis is an aggressive eye disease of unknown etiology, first described in 1975. [1] It has been recorded almost exclusively from Nepal, with the exception of five cases reported from Bhutan. [2] The disease affects prevalently children and can cause blindness. [3]