His face had become a canvas, intricate slithers of scar tissue snaked across his sanguine face. His cheek peeled off the white sheets while the sterile scent of a hospital ward swept into his nostrils. A fresh wave of blood flowed out of his smouldered cheek as his neck muscles strained to hold his head, a miasma of somnolence drifting across his body until his head returned the maroon sheets.
Great intro - there is a lot going on but when I read it slowly I could really appreciate all of the strong imagery. The "white sheets" have me confused - I can't work out what this is? If it was flaky dehydrated skin, I'd understand. But because it says "the" I'm thinking it is something different? Also - miasma of somnolence. My understanding of miasma is that it is an unpleasant smell. Upon googling, I realise it is also a atmosphere. Perhaps this is just my ignorance, but I wanted to let you know that it confused me for a second, just so that you have an outsiders opinion 
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He had gained consciousness again, a swathe of sterile bandages wrapped around his face, and his arms, and his legs. Fading in and out of consciousness, a translucent tube spiralled downwards, obscured by the face of a surgeon looking him in the eyes. The surgeons head moved, a bright, fluorescent light piercing his eyes, encompassing his vision as his head rolled back.
The imagery here is clear and crisp. I really enjoy this. Although your first paragraph works, this also has merit for the fact that the imagery isn't deep and complex, but really explicit.-
He sat upright in the hospital bed, scissors slicing through the bandage obscuring his face, then the bandage on his arms, then the bandage on his legs. As the feathery dressings floated to the floor, he opened his eyes, raising his arm into vision. A charred husk of its former self, patches of skin missing, surrounded by glossy black scar tissue. The nurse handed him a hand mirror, walking out with her head facing the floor. His eyes traced her outline, returning to the mirror that had grown heavier in his hand. The face that returned his glance was not his own, an amalgamation of scars and burnt tissue, as if someone had painstakingly dripped red candle wax onto his face. He threw the mirror away in disgust.
No major feedback here - I'm still following and I'm very engaged. I think the distinct breaks in the paragraphs work to make this very digestable!Light drifted in through the window onto the shattered remnants of the mirror, catching a tear streaming down a man’s face, pooling in the shallow crevices hollowed out from his ghastly wounds.
Something that has always stuck with me, that my own HSC teacher (also a HSC marker) taught me, is that the way people describe tears and crying is rarely original. Streaming down a face doesn't speak to me as being unique. This is such a small thing, of course. But I just want to let you know so that you have the opportunity to make this a particularly unique, stand out description, if you wanted to 
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He hobbled down the street, grey hoodie obfuscating his face as best as it could. The physiotherapist’s house was a block away, what felt like an eternity. Head facing the pavement, he couldn’t see the looks of disgust, the looks of pity, the looks of shame.
A distant wailing pierced through the barriers he built up. As the sound faded away, the images arose from their slumber, assaulting his mind all at once. A collage of pictures, the fire truck, putting on his fireman overalls, the burning house, the wooden stairs collapsing under his weight, losing consciousness as the flames began to lap at his face.
He turned and knocked on the door, a young lady greeting him with a smile. As his head lifted, her smile began to crack at the edges, fading through pursed lips.
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Their meetings grew more frequent. He slowly gained mobility in his arms and knees again. He sat on a padded bench while she stood in front, slowly extending his knee. Searing pains sliced through his lower body, accompanied by a sharp inhale. She looked him in the eyes as she stopped the movement. The sun reflected of her brunette hair, catching the edges of her sky blue eyes. A small smile crept into the edges of her mouth while she looked at him. The first person in the passing months that didn’t look at him and recoil in disgust.
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The frequent trips continued, the judgmental stares in the street continued, the harsh whispers continued and the haphazard eye contact grew more frequent. He walked down the street to her house everyday, careful to always wear a hoodie. The windows, the windscreens and the mirrors followed in his shadow every time he left, waiting for an opportunity to remind him of the shell of a man he had become.
Yet she stood at the door every visit, no longer appalled by the repulsive knots of intricately merged flesh that made up the entirety of his face.
I think removing "intricately" would make this sentence clearer. I understand the intricate nature of it, but to me, "merged flesh" is more potent! Always with a smile, a genuine smile stemming from sincere kindness. He knew she was doing it out of necessity, yet the butterflies emerged whenever the edges of her lips reached up for her cheeks.
This is wonderful imagery of a smile - I have never come across it before. Magnificent!-
The dim lighting in the bathroom dulled his features, the only hope for fostering a sense of self-confidence. He tightened the tie around his neck, the discoloured skin protesting against the soft fabric. The blazer felt foreign, grasping at the edges of his broad shoulders. With one last contemptible glance at himself in the mirror, he turned and left, grasping his pocket to make sure the movie ticket had not fallen out.
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It was weird to start. He had associated her with pain, she always pushed him to stretch further and try harder. Now the physiotherapist stood in front of him, the movie had finished. The moonlight bounced across the trees, reflecting onto the wisps of her hair flowing in the cool midsummers breeze.
It was unnatural at first, but his lips began to creak and groan, working out the cobwebs of idleness. Curling at the edges, a smile began to cross his lips while he looked at her. An ephemeral gesture, the smile vanished as commotion broke out behind her. She turned, a reflective café tarp slowly drifted in the breeze, the moonlight emphasising his burn wounds. She turned around, his eyes had dropped to the floor.
He couldn’t comprehend why she was here. Was it out of pity? Was it out of a masochistic pleasure? He felt the breeze flow through his hair as a soft hand touched his jaw, beckoning him to lift his head.
She was there. She stood there, no other care in the world. He took it all in within a second, her soft features, the effulgence of the moon reflecting across her face, her sky blue eyes. Those two humble pools of water gazed up at him. She pulled him closer, his face centimetres from hers. Looking deep into her eyes, he saw the truth. She didn’t see his scars, she didn’t see the hideousness he knew, she only saw him.
Lips millimetres apart, they closed their eyes.