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  2. Drug abuse retinopathy - Wikipedia

    en.wikipedia.org/wiki/Drug_abuse_retinopathy

    The duration of cocaine use is a major contributing factor to the severity of the adverse retinal effect. [ 24 ] Cocaine use is also associated with retinal hemorrhage due to the general increase in blood pressure and blood vessel occlusion within the retina. [ 25 ]

  3. Cocaine - Wikipedia

    en.wikipedia.org/wiki/Cocaine

    Cocaine also blocks the serotonin transporter and norepinephrine transporter, inhibiting reuptake of serotonin and norepinephrine from the synaptic cleft into the pre-synaptic axon terminal and increasing activation of serotonin receptors and norepinephrine receptors in the post-synaptic neuron, contributing to the mental and physical effects ...

  4. Optic chiasm - Wikipedia

    en.wikipedia.org/wiki/Optic_chiasm

    The number of axons that do not cross the midline and project ipsilaterally depends on the degree of binocular vision of the animal (3% in mice and 45% in humans do not cross). [9] Ephrin-B2 is expressed at the chiasm midline by radial glia and acts as a repulsive signal to axons originating from the ventrotemporal retina expressing EphB1 ...

  5. Karl Koller (ophthalmologist) - Wikipedia

    en.wikipedia.org/wiki/Karl_Koller_(ophthalmologist)

    Koller introduced cocaine as a local anaesthetic for eye surgery. Prior to this discovery, he had tested solutions such as chloral hydrate and morphine as anaesthetics in the eyes of laboratory animals without success. Freud was fully aware of the pain-killing properties of cocaine, but Koller recognized its tissue-numbing capabilities, and in ...

  6. Addiction-related structural neuroplasticity - Wikipedia

    en.wikipedia.org/wiki/Addiction-related...

    The effect of these structural changes on behavior is uncertain and studies have produced conflicting results. Two studies [18] [19] have shown that an increase in dendritic spine density due to cocaine exposure facilitates behavioral sensitization, while two other studies [20] [21] produce contradicting evidence.

  7. What is 'pink cocaine'? Explaining the drug cocktail linked ...

    www.aol.com/pink-cocaine-explaining-drug...

    How does pink cocaine affect someone? It can be hard to determine how the drug cocktail may affect someone after ingesting it. WebMD said this is due to several factors: the types of drugs mixed ...

  8. Retinal ganglion cell - Wikipedia

    en.wikipedia.org/wiki/Retinal_ganglion_cell

    These axons form the optic nerve, optic chiasm, and optic tract. A small percentage of retinal ganglion cells contribute little or nothing to vision, but are themselves photosensitive; their axons form the retinohypothalamic tract and contribute to circadian rhythms and pupillary light reflex , the resizing of the pupil.

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